1 # This stops me getting screenfulls of syntax errors every time I accidentally
2 # run this file via a shell glob. The full format of this file is given
4 # Prior to the implementation of autoloading of \N{}, tests that used \N{name}
5 # could not go in this file, and were farmed out to other .t's, where they
8 # pat string y/n/etc expr expected-expr skip-reason comment
31 ab*bc abbbbc y $& abbbbc
32 ab*bc abbbbc y $-[0] 0
33 ab*bc abbbbc y $+[0] 6
37 .{3,4} abbbbc y $& abbb
38 .{3,4} abbbbc y $-[0] 0
39 .{3,4} abbbbc y $+[0] 4
41 \N{1} abbbbc y $-[0] 0
42 \N{1} abbbbc y $+[0] 1
43 /\N {1}/x abbbbc y $& a
44 /\N {1}/x abbbbc y $-[0] 0
45 /\N {1}/x abbbbc y $+[0] 1
46 \N{3,4} abbbbc y $& abbb
47 \N{3,4} abbbbc y $-[0] 0
48 \N{3,4} abbbbc y $+[0] 4
49 \N{ 3 , 4 } abbbbc y $+[0] 4
50 /\N {3,4}/x abbbbc y $& abbb
51 /\N {3,4}/x abbbbc y $-[0] 0
52 /\N {3,4}/x abbbbc y $+[0] 4
53 ab{0,}bc abbbbc y $& abbbbc
54 ab{0,}bc abbbbc y $-[0] 0
55 ab{0,}bc abbbbc y $+[0] 6
62 ab+bc abbbbc y $& abbbbc
63 ab+bc abbbbc y $-[0] 0
64 ab+bc abbbbc y $+[0] 6
65 ab{1,}bc abbbbc y $& abbbbc
66 ab{1,}bc abbbbc y $-[0] 0
67 ab{1,}bc abbbbc y $+[0] 6
68 ab{1,3}bc abbbbc y $& abbbbc
69 ab{1,3}bc abbbbc y $-[0] 0
70 ab{1,3}bc abbbbc y $+[0] 6
71 ab{3,4}bc abbbbc y $& abbbbc
72 ab{3,4}bc abbbbc y $-[0] 0
73 ab{3,4}bc abbbbc y $+[0] 6
74 ab{4,5}bc abbbbc n - -
77 ab{0,1}bc abc y $& abc
94 a\N*c axyzc y $& axyzc
95 /a\N *c/x axyzc y $& axyzc
102 [a][b][d] abd y $& abd
105 (?i:.[b].) abd y $& abd
106 (?i:\N[b]\N) abd y $& abd
112 a[b-a] - c - Invalid [] range
113 a[]b - c - Unmatched [
185 ()\x{100}\x{1000} d\x{100}\x{1000} y $+[0] 3
188 *a - c - Quantifier follows nothing
189 (|*)b - c - Quantifier follows nothing
190 (*)b - c - Unknown verb
192 a\ - c - Search pattern not terminated
193 a\(b a(b y $&-$1 a(b-
197 abc) - c - Unmatched )
198 (abc - c - Unmatched (
199 ((a)) abc y $&-$1-$2 a-a-a
200 ((a)) abc y $-[0]-$-[1]-$-[2] 0-0-0
201 ((a)) abc y $+[0]-$+[1]-$+[2] 1-1-1
204 (a)b(c) abc y $&-$1-$2 abc-a-c
205 (a)b(c) abc y $-[0]-$-[1]-$-[2] 0-0-2
206 (a)b(c) abc y $+[0]-$+[1]-$+[2] 3-1-3
207 a+b+c aabbabc y $& abc
208 a{1,}b{1,}c aabbabc y $& abc
209 a** - c - Nested quantifiers
210 a.+?c abcabc y $& abc
211 (a+|b)* ab y $&-$1 ab-b
216 (a+|b){0,} ab y $&-$1 ab-b
217 (a+|b)+ ab y $&-$1 ab-b
218 (a+|b){1,} ab y $&-$1 ab-b
219 (a+|b)? ab y $&-$1 a-a
220 (a+|b){0,1} ab y $&-$1 a-a
225 ([abc])*d abbbcd y $&-$1 abbbcd-c
226 ([abc])*bcd abcd y $&-$1 abcd-a
228 (a|b|c|d|e)f ef y $&-$1 ef-e
229 (a|b|c|d|e)f ef y $-[0] 0
230 (a|b|c|d|e)f ef y $+[0] 2
231 (a|b|c|d|e)f ef y $-[1] 0
232 (a|b|c|d|e)f ef y $+[1] 1
233 abcd*efg abcdefg y $& abcdefg
234 ab* xabyabbbz y $& ab
236 (ab|cd)e abcde y $&-$1 cde-cd
237 [abhgefdc]ij hij y $& hij
238 ^(ab|cd)e abcde n x$1y xy
239 (abc|)ef abcdef y $&-$1 ef-
240 (a|b)c*d abcd y $&-$1 bcd-b
241 (ab|ab*)bc abc y $&-$1 abc-a
242 a([bc]*)c* abc y $&-$1 abc-bc
243 a([bc]*)(c*d) abcd y $&-$1-$2 abcd-bc-d
244 a([bc]*)(c*d) abcd y $-[0] 0
245 a([bc]*)(c*d) abcd y $+[0] 4
246 a([bc]*)(c*d) abcd y $-[1] 1
247 a([bc]*)(c*d) abcd y $+[1] 3
248 a([bc]*)(c*d) abcd y $-[2] 3
249 a([bc]*)(c*d) abcd y $+[2] 4
250 a([bc]+)(c*d) abcd y $&-$1-$2 abcd-bc-d
251 a([bc]*)(c+d) abcd y $&-$1-$2 abcd-b-cd
252 a([bc]*)(c+d) abcd y $-[0] 0
253 a([bc]*)(c+d) abcd y $+[0] 4
254 a([bc]*)(c+d) abcd y $-[1] 1
255 a([bc]*)(c+d) abcd y $+[1] 2
256 a([bc]*)(c+d) abcd y $-[2] 2
257 a([bc]*)(c+d) abcd y $+[2] 4
258 a[bcd]*dcdcde adcdcde y $& adcdcde
259 a[bcd]+dcdcde adcdcde n - -
260 (ab|a)b*c abc y $&-$1 abc-ab
261 (ab|a)b*c abc y $-[0] 0
262 (ab|a)b*c abc y $+[0] 3
263 (ab|a)b*c abc y $-[1] 0
264 (ab|a)b*c abc y $+[1] 2
265 ((a)(b)c)(d) abcd y $1-$2-$3-$4 abc-a-b-d
266 ((a)(b)c)(d) abcd y $-[0] 0
267 ((a)(b)c)(d) abcd y $+[0] 4
268 ((a)(b)c)(d) abcd y $-[1] 0
269 ((a)(b)c)(d) abcd y $+[1] 3
270 ((a)(b)c)(d) abcd y $-[2] 0
271 ((a)(b)c)(d) abcd y $+[2] 1
272 ((a)(b)c)(d) abcd y $-[3] 1
273 ((a)(b)c)(d) abcd y $+[3] 2
274 ((a)(b)c)(d) abcd y $-[4] 3
275 ((a)(b)c)(d) abcd y $+[4] 4
276 [a-zA-Z_][a-zA-Z0-9_]* alpha y $& alpha
277 [_A-Z] } n - - # This could match on EBCDIC if A-Z not excluding things in middle
278 ^a(bc+|b[eh])g|.h$ abh y $&-$1 bh-
279 (bc+d$|ef*g.|h?i(j|k)) effgz y $&-$1-$2 effgz-effgz-
280 (bc+d$|ef*g.|h?i(j|k)) ij y $&-$1-$2 ij-ij-j
281 (bc+d$|ef*g.|h?i(j|k)) effg n - -
282 (bc+d$|ef*g.|h?i(j|k)) bcdd n - -
283 (bc+d$|ef*g.|h?i(j|k)) reffgz y $&-$1-$2 effgz-effgz-
284 ((((((((((a)))))))))) a y $10 a
285 ((((((((((a)))))))))) a y $-[0] 0
286 ((((((((((a)))))))))) a y $+[0] 1
287 ((((((((((a)))))))))) a y $-[10] 0
288 ((((((((((a)))))))))) a y $+[10] 1
289 ((((((((((a))))))))))\10 aa y $& aa
290 ((((((((((a))))))))))${bang} aa n - -
291 ((((((((((a))))))))))${bang} a! y $& a!
292 (((((((((a))))))))) a y $& a
293 [89]+ 1((((((7(9)))))) y - -
294 multiple words of text uh-uh n - -
295 multiple words multiple words, yeah y $& multiple words
296 (.*)c(.*) abcde y $&-$1-$2 abcde-ab-de
297 \((.*), (.*)\) (a, b) y ($2, $1) (b, a)
299 abcd abcd y $&-\$&-\\$& abcd-\$&-\\abcd
300 a(bc)d abcd y $1-\$1-\\$1 bc-\$1-\\bc
302 (abc)\1 abcabc y $1 abc
303 ([a-c]*)\1 abcabc y $1 abc
304 \1 - c - Reference to nonexistent group
305 \2 - c - Reference to nonexistent group
306 \g1 - c - Reference to nonexistent group
307 \g-1 - c - Reference to nonexistent or unclosed group
308 \g{1} - c - Reference to nonexistent group
309 \g{ 1 } - c - Reference to nonexistent group
310 \g{-1} - c - Reference to nonexistent or unclosed group
311 \g{ -1 } - c - Reference to nonexistent or unclosed group
312 \g0 - c - Reference to invalid group 0
313 \g-0 - c - Reference to invalid group 0
314 \g{0} - c - Reference to invalid group 0
315 \g{ 0 } - c - Reference to invalid group 0
316 \g{-0} - c - Reference to invalid group 0
317 \g{ -0 } - c - Reference to invalid group 0
319 (a)|\1 x n - Reference to group in different branch
320 (?:(b)?a)\1 a n - Reference to group that did not match
321 (a)|\2 - c - Reference to nonexistent group
322 (([a-c])b*?\2)* ababbbcbc y $&-$1-$2 ababb-bb-b
323 (([a-c])b*?\2){3} ababbbcbc y $&-$1-$2 ababbbcbc-cbc-c
324 ((\3|b)\2(a)x)+ aaxabxbaxbbx n - -
325 ((\3|b)\2(a)x)+ aaaxabaxbaaxbbax y $&-$1-$2-$3 bbax-bbax-b-a
326 ((\3|b)\2(a)){2,} bbaababbabaaaaabbaaaabba y $&-$1-$2-$3 bbaaaabba-bba-b-a
327 #Bug #3589 - up to perl-5.6.0 matches incorrectly, from 5.6.1 not anymore
328 ^((.)?a\2)+$ babadad n - -
339 'abc'i XABCY y $& ABC
340 'abc'i ABABC y $& ABC
342 'ab*bc'i ABC y $& ABC
343 'ab*bc'i ABBC y $& ABBC
344 'ab*?bc'i ABBBBC y $& ABBBBC
345 'ab{0,}?bc'i ABBBBC y $& ABBBBC
346 'ab+?bc'i ABBC y $& ABBC
349 'ab{1,}bc'i ABQ n - -
350 'ab+bc'i ABBBBC y $& ABBBBC
351 'ab{1,}?bc'i ABBBBC y $& ABBBBC
352 'ab{1,3}?bc'i ABBBBC y $& ABBBBC
353 'ab{3,4}?bc'i ABBBBC y $& ABBBBC
354 'ab{4,5}?bc'i ABBBBC n - -
355 'ab??bc'i ABBC y $& ABBC
356 'ab??bc'i ABC y $& ABC
357 'ab{0,1}?bc'i ABC y $& ABC
358 'ab??bc'i ABBBBC n - -
359 'ab??c'i ABC y $& ABC
360 'ab{0,1}?c'i ABC y $& ABC
361 '^abc$'i ABC y $& ABC
363 '^abc'i ABCC y $& ABC
365 'abc$'i AABC y $& ABC
371 'a.*?c'i AXYZC y $& AXYZC
374 'a[bc]d'i ABD y $& ABD
376 'a[b-d]e'i ACE y $& ACE
377 'a[b-d]'i AAC y $& AC
380 'a[b-a]'i - c - Invalid [] range
381 'a[]b'i - c - Unmatched [
382 'a['i - c - Unmatched [
384 'a[]]b'i A]B y $& A]B
385 'a[^bc]d'i AED y $& AED
387 'a[^-b]c'i ADC y $& ADC
390 'a[^]b]c'i ADC y $& ADC
392 'ab|cd'i ABCD y $& AB
393 '()ef'i DEF y $&-$1 EF-
394 '*a'i - c - Quantifier follows nothing
395 '(|*)b'i - c - Quantifier follows nothing
396 '(*)b'i - c - Unknown verb
398 'a\'i - c - Search pattern not terminated
399 'a\(b'i A(B y $&-$1 A(B-
401 'a\(*b'i A((B y $& A((B
402 'a\\b'i A\\B y $& A\\B
403 'abc)'i - c - Unmatched )
404 '(abc'i - c - Unmatched (
405 '((a))'i ABC y $&-$1-$2 A-A-A
406 '(a)b(c)'i ABC y $&-$1-$2 ABC-A-C
407 'a+b+c'i AABBABC y $& ABC
408 'a{1,}b{1,}c'i AABBABC y $& ABC
409 'a**'i - c - Nested quantifiers
410 'a.+?c'i ABCABC y $& ABC
411 'a.*?c'i ABCABC y $& ABC
412 'a.{0,5}?c'i ABCABC y $& ABC
413 '(a+|b)*'i AB y $&-$1 AB-B
414 '(a+|b){0,}'i AB y $&-$1 AB-B
415 '(a+|b)+'i AB y $&-$1 AB-B
416 '(a+|b){1,}'i AB y $&-$1 AB-B
417 '(a+|b)?'i AB y $&-$1 A-A
418 '(a+|b){0,1}'i AB y $&-$1 A-A
419 '(a+|b){0,1}?'i AB y $&-$1 -
420 ')('i - c - Unmatched )
421 '[^ab]*'i CDE y $& CDE
424 '([abc])*d'i ABBBCD y $&-$1 ABBBCD-C
425 '([abc])*bcd'i ABCD y $&-$1 ABCD-A
426 'a|b|c|d|e'i E y $& E
427 '(a|b|c|d|e)f'i EF y $&-$1 EF-E
428 'abcd*efg'i ABCDEFG y $& ABCDEFG
429 'ab*'i XABYABBBZ y $& AB
430 'ab*'i XAYABBBZ y $& A
431 '(ab|cd)e'i ABCDE y $&-$1 CDE-CD
432 '[abhgefdc]ij'i HIJ y $& HIJ
433 '^(ab|cd)e'i ABCDE n x$1y XY
434 '(abc|)ef'i ABCDEF y $&-$1 EF-
435 '(a|b)c*d'i ABCD y $&-$1 BCD-B
436 '(ab|ab*)bc'i ABC y $&-$1 ABC-A
437 'a([bc]*)c*'i ABC y $&-$1 ABC-BC
438 'a([bc]*)(c*d)'i ABCD y $&-$1-$2 ABCD-BC-D
439 'a([bc]+)(c*d)'i ABCD y $&-$1-$2 ABCD-BC-D
440 'a([bc]*)(c+d)'i ABCD y $&-$1-$2 ABCD-B-CD
441 'a[bcd]*dcdcde'i ADCDCDE y $& ADCDCDE
442 'a[bcd]+dcdcde'i ADCDCDE n - -
443 '(ab|a)b*c'i ABC y $&-$1 ABC-AB
444 '((a)(b)c)(d)'i ABCD y $1-$2-$3-$4 ABC-A-B-D
445 '[a-zA-Z_][a-zA-Z0-9_]*'i ALPHA y $& ALPHA
446 '^a(bc+|b[eh])g|.h$'i ABH y $&-$1 BH-
447 '(bc+d$|ef*g.|h?i(j|k))'i EFFGZ y $&-$1-$2 EFFGZ-EFFGZ-
448 '(bc+d$|ef*g.|h?i(j|k))'i IJ y $&-$1-$2 IJ-IJ-J
449 '(bc+d$|ef*g.|h?i(j|k))'i EFFG n - -
450 '(bc+d$|ef*g.|h?i(j|k))'i BCDD n - -
451 '(bc+d$|ef*g.|h?i(j|k))'i REFFGZ y $&-$1-$2 EFFGZ-EFFGZ-
452 '((((((((((a))))))))))'i A y $10 A
453 '((((((((((a))))))))))\10'i AA y $& AA
454 '((((((((((a))))))))))${bang}'i AA n - -
455 '((((((((((a))))))))))${bang}'i A! y $& A!
456 '(((((((((a)))))))))'i A y $& A
457 '(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))'i A y $1 A
458 '(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))'i C y $1 C
459 'multiple words of text'i UH-UH n - -
460 'multiple words'i MULTIPLE WORDS, YEAH y $& MULTIPLE WORDS
461 '(.*)c(.*)'i ABCDE y $&-$1-$2 ABCDE-AB-DE
462 '\((.*), (.*)\)'i (A, B) y ($2, $1) (B, A)
464 'abcd'i ABCD y $&-\$&-\\$& ABCD-\$&-\\ABCD
465 'a(bc)d'i ABCD y $1-\$1-\\$1 BC-\$1-\\BC
467 '(abc)\1'i ABCABC y $1 ABC
468 '([a-c]*)\1'i ABCABC y $1 ABC
472 a(?=c|d). abad y $& ad
473 a(?:b|c|d)(.) ace y $1 e
474 a(?:b|c|d)*(.) ace y $1 e
475 a(?:b|c|d)+?(.) ace y $1 e
476 a(?:b|c|d)+?(.) acdbcdbe y $1 d
477 a(?:b|c|d)+(.) acdbcdbe y $1 e
478 a(?:b|c|d){2}(.) acdbcdbe y $1 b
479 a(?:b|c|d){4,5}(.) acdbcdbe y $1 b
480 a(?:b|c|d){4,5}?(.) acdbcdbe y $1 d
481 ((foo)|(bar))* foobar y $1-$2-$3 bar--bar # was bar-foo-bar prior to 5.37.10
482 :(?: - c - Sequence (? incomplete
483 a(?:b|c|d){6,7}(.) acdbcdbe y $1 e
484 a(?:b|c|d){6,7}?(.) acdbcdbe y $1 e
485 a(?:b|c|d){5,6}(.) acdbcdbe y $1 e
486 a(?:b|c|d){5,6}?(.) acdbcdbe y $1 b
487 a(?:b|c|d){5,7}(.) acdbcdbe y $1 e
488 a(?:b|c|d){5,7}?(.) acdbcdbe y $1 b
489 a(?:b|(c|e){1,2}?|d)+?(.) ace y $1$2 ce
491 ^([^a-z])|(\^)$ . y $1 .
493 ^(a\1?){4}$ aaaaaaaaaa y $1 aaaa
494 ^(a\1?){4}$ aaaaaaaaa n - -
495 ^(a\1?){4}$ aaaaaaaaaaa n - -
496 ^(a(?(1)\1)){4}$ aaaaaaaaaa y $1 aaaa
497 ^(a(?(1)\1)){4}$ aaaaaaaaa n - -
498 ^(a(?(1)\1)){4}$ aaaaaaaaaaa n - -
499 ((?(1)a|b))+ baaa y $& baaa # GH 7754
500 ((?(1)aa|b))+ baaaa y $& baaaa # GH 7754
501 ((a{4})+) aaaaaaaaa y $1 aaaaaaaa
502 (((aa){2})+) aaaaaaaaaa y $1 aaaaaaaa
503 (((a{2}){2})+) aaaaaaaaaa y $1 aaaaaaaa
504 (?:(f)(o)(o)|(b)(a)(r))* foobar y $1:$2:$3:$4:$5:$6 :::b:a:r
508 (?<=a(?:fo)?)b cb n - -
510 (?<=a(?:foo)?)b b n - -
512 (?<!c(?:foob)?)b ab y $& b
514 (?<!c(?:fooba)?)b cb n - -
516 (?<!c(?:foobar)?)b b y - -
518 (?<!c(?:foobarb)?)b b y $& b
519 (?<%)b - c - Group name must start with a non-digit word character
520 (?:..)*a aba y $& aba
522 ^(?:b|a(?=(.)))*\1 abc y $& ab
525 ^((a|b)+)*ax aax y $1 a
526 ^((a|bc)+)*ax aax y $1 a
529 (?:(?i)a)b ab y $& ab
530 ((?i)a)b ab y $&:$1 ab:a
531 (?:(?i)a)b Ab y $& Ab
532 ((?i)a)b Ab y $&:$1 Ab:A
536 ((?i:a))b ab y $&:$1 ab:a
538 ((?i:a))b Ab y $&:$1 Ab:A
541 '(?:(?-i)a)b'i ab y $& ab
542 '((?-i)a)b'i ab y $&:$1 ab:a
543 '(?:(?-i)a)b'i aB y $& aB
544 '((?-i)a)b'i aB y $&:$1 aB:a
545 '(?:(?-i)a)b'i Ab n - -
546 '((?-i)a)b'i Ab n - -
547 '(?:(?-i)a)b'i aB y $& aB
548 '((?-i)a)b'i aB y $1 a
549 '(?:(?-i)a)b'i AB n - -
550 '((?-i)a)b'i AB n - -
551 '(?-i:a)b'i ab y $& ab
552 '((?-i:a))b'i ab y $&:$1 ab:a
553 '(?-i:a)b'i aB y $& aB
554 '((?-i:a))b'i aB y $&:$1 aB:a
556 '((?-i:a))b'i Ab n - -
557 '(?-i:a)b'i aB y $& aB
558 '((?-i:a))b'i aB y $1 a
560 '((?-i:a))b'i AB n - -
561 '((?-i:a.))b'i a\nB n - -
562 '((?-i:a\N))b'i a\nB n - -
563 '((?s-i:a.))b'i a\nB y $1 a\n
564 '((?s-i:a\N))b'i a\nB n - -
565 '((?s-i:a.))b'i B\nB n - -
566 '((?s-i:a\N))b'i B\nB n - -
567 (?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b))) cabbbb y $& cabbbb
568 (?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb))) caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb y $& caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
569 '(ab)\d\1'i Ab4ab y $1 Ab
570 '(ab)\d\1'i ab4Ab y $1 ab
571 foo\w*\d{4}baz foobar1234baz y $& foobar1234baz
573 a(?{f()+ - c - Missing right curly or square bracket
574 a(?{{1}+ - c - Missing right curly or square bracket
575 (?{(^{}) - c - syntax error
578 a(?{"\{"})b cabd y $& ab
579 a(?{"{"}})b - c - Sequence (?{...}) not terminated with ')'
580 a(?{$::bl="\{"}).b caxbd y $::bl {
581 x(~~)*(?:(?:F)?)? x~~ y - -
582 ^a(?#xxx){3}c aaac y $& aaac
583 '^a (?#xxx) (?#yyy) {3}c'x aaac y $& aaac
584 (?<![cd])b dbcb n - -
585 (?<![cd]e{0,254})b dbcb n - -
586 (?<![cd])[ab] dbaacb y $& a
587 (?<![cd]{1,2})[ab] dbaacb y $& a
588 #Why does this fail. I think it's confusing (?<![cd]{1,3})[ab] dbaacb y $& a
589 (?<!(c|d))b dbcb n - -
590 (?<!(c|d))[ab] dbaacb y $& a
591 (?<!cd)[ab] cdaccb y $& b
592 ^(?:a?b?)*$ a-- n - -
593 ((?s)^a(.))((?m)^b$) a\nb\nc\n y $1;$2;$3 a\n;\n;b
594 ((?m)^b$) a\nb\nc\n y $1 b
596 (?m)^(b) a\nb\n y $1 b
597 ((?m)^b) a\nb\n y $1 b
598 \n((?m)^b) a\nb\n y $1 b
599 ((?s).)c(?!.) a\nb\nc\n y $1 \n
600 ((?s).)c(?!.) a\nb\nc\n y $1:$& \n:\nc
601 ((?s)b.)c(?!.) a\nb\nc\n y $1 b\n
602 ((?s)b.)c(?!.) a\nb\nc\n y $1:$& b\n:b\nc
603 ((?s)b.)c(?!\N) a\nb\nc\n y $1:$& b\n:b\nc
604 '(b.)c(?!\N)'s a\nb\nc\n y $1:$& b\n:b\nc
607 ((?m)^b) a\nb\nc\n y $1 b
610 (x)?(?(1)a|b) a n - -
611 (x)?(?(1)b|a) a y $& a
612 ()?(?(1)b|a) a y $& a
614 ()?(?(1)a|b) a y $& a
615 ^(\()?blah(?(1)(\)))$ (blah) y $2 )
616 ^(\()?blah(?(1)(\)))$ blah y ($2) ()
617 ^(\()?blah(?(1)(\)))$ blah) n - -
618 ^(\()?blah(?(1)(\)))$ (blah n - -
619 ^(\(+)?blah(?(1)(\)))$ (blah) y $2 )
620 ^(\(+)?blah(?(1)(\)))$ blah y ($2) ()
621 ^(\(+)?blah(?(1)(\)))$ blah) n - -
622 ^(\(+)?blah(?(1)(\)))$ (blah n - -
623 (?(1?)a|b) - c - Switch condition not recognized
624 (?(1)a|b|c) - c - Switch (?(condition)... contains too many branches
626 (?(?{0})b|a) a y $& a
628 (?(?{1})a|b) a y $& a
633 (?(?!\x{100})\x{100}|b) \x{100} n - -
634 (?(?!\x{100})b|\x{100}) \x{100} y $& \x{100}
635 (?(?=\x{100})b|\x{100}) \x{100} n - -
636 (?(?=\x{100})\x{100}|b) \x{100} y $& \x{100}
637 (?=(a+?))(\1ab) aaab y $2 aab
638 ^(?=(a+?))\1ab aaab n - -
639 (\w+:)+ one: y $1 one:
641 (?=(a+?))(\1ab) aaab y $2 aab
642 ^(?=(a+?))\1ab aaab n - -
643 ([\w:]+::)?(\w+)$ abcd: n - -
644 ([\w:]+::)?(\w+)$ abcd y $1-$2 -abcd
645 ([\w:]+::)?(\w+)$ xy:z:::abcd y $1-$2 xy:z:::-abcd
646 ^[^bcd]*(c+) aexycd y $1 c
648 ([\w:]+::)?(\w+)$ abcd: n - -
649 ([\w:]+::)?(\w+)$ abcd y $1-$2 -abcd
650 ([\w:]+::)?(\w+)$ xy:z:::abcd y $1-$2 xy:z:::-abcd
651 ^[^bcd]*(c+) aexycd y $1 c
652 (?{$a=2})a*aa(?{local$a=$a+1})k*c(?{$b=$a}) yaaxxaaaacd y $b 3
653 (?{$a=2})(a(?{local$a=$a+1}))*aak*c(?{$b=$a}) yaaxxaaaacd y $b 4
655 ^(a(?{ "x" =~ m{x}})b)(??{ $1 }) abab y $& abab
658 ([[:]+) a:[b]: y $1 :[
659 ([[=]+) a=[b]= y $1 =[
660 ([[.]+) a.[b]. y $1 .[
661 [a[:xyz: - c - Unmatched [
662 [a[:xyz:] - c - POSIX class [:xyz:] unknown
663 [a[:]b[:c] abc y $& abc
664 ([a[:xyz:]b]+) - c - POSIX class [:xyz:] unknown
665 ([[:alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
666 ([[:alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
667 ([[:ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__-- ${nulnul}
668 ([[:cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} ya $1 ${nulnul} ff is a control on EBCDIC (non-POSIX-BC), so this fails under /u rules
669 ([[:digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
670 ([[:graph:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
671 ([[:lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd
672 ([[:print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
673 ([[:punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __--
674 ([[:space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1
675 ([[:word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__
676 ([[:upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
677 ([[:xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01
678 ([[:^alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
679 ((?a)[[:^alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __-- ${nulnul}${ffff}
680 ([[:^ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${ffff}
681 ([:[:^ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${ffff} RT #120799
682 ([[:^cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
683 ([[:^digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
684 ([[:^lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
685 ((?a)[[:^print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${nulnul}${ffff}
686 ([[:^punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
687 ([[:^space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
688 ((?a)[[:^word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 -- ${nulnul}${ffff}
689 ([[:^upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd01
690 ([[:^xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 Xy__-- ${nulnul}${ffff}
691 [[:foo:]] - c - POSIX class [:foo:] unknown
692 [[:^foo:]] - c - POSIX class [:^foo:] unknown
693 '[[:^cntrl:]]+'u a\x80 y $& a \x80 was matching on EBCDIC platforms
694 ((?>a+)b) aaab y $1 aaab
695 (?>(a+))b aaab y $1 aaa
696 ((?>[^()]+)|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
697 (?<=x+)y - c - Lookbehind longer than 255 not implemented
698 ((def){37,17})?ABC ABC y $& ABC
708 '\Z'm a\nb\n y $-[0] 3
709 '\z'm a\nb\n y $-[0] 4
710 '$'m a\nb\n y $-[0] 1
711 '\Z'm b\na\n y $-[0] 3
712 '\z'm b\na\n y $-[0] 4
713 '$'m b\na\n y $-[0] 1
728 'a$'m a\nb\n y $-[0] 0
729 'a\Z'm b\na\n y $-[0] 2
731 'a$'m b\na\n y $-[0] 2
732 'a\Z'm b\na y $-[0] 2
733 'a\z'm b\na y $-[0] 2
738 aa\Z b\naa\n y $-[0] 2
740 aa$ b\naa\n y $-[0] 2
744 'aa\Z'm aa\nb\n n - -
745 'aa\z'm aa\nb\n n - -
746 'aa$'m aa\nb\n y $-[0] 0
747 'aa\Z'm b\naa\n y $-[0] 2
748 'aa\z'm b\naa\n n - -
749 'aa$'m b\naa\n y $-[0] 2
750 'aa\Z'm b\naa y $-[0] 2
751 'aa\z'm b\naa y $-[0] 2
752 'aa$'m b\naa y $-[0] 2
762 'aa\Z'm ac\nb\n n - -
763 'aa\z'm ac\nb\n n - -
765 'aa\Z'm b\nac\n n - -
766 'aa\z'm b\nac\n n - -
780 'aa\Z'm ca\nb\n n - -
781 'aa\z'm ca\nb\n n - -
783 'aa\Z'm b\nca\n n - -
784 'aa\z'm b\nca\n n - -
792 ab\Z b\nab\n y $-[0] 2
794 ab$ b\nab\n y $-[0] 2
798 'ab\Z'm ab\nb\n n - -
799 'ab\z'm ab\nb\n n - -
800 'ab$'m ab\nb\n y $-[0] 0
801 'ab\Z'm b\nab\n y $-[0] 2
802 'ab\z'm b\nab\n n - -
803 'ab$'m b\nab\n y $-[0] 2
804 'ab\Z'm b\nab y $-[0] 2
805 'ab\z'm b\nab y $-[0] 2
806 'ab$'m b\nab y $-[0] 2
816 'ab\Z'm ac\nb\n n - -
817 'ab\z'm ac\nb\n n - -
819 'ab\Z'm b\nac\n n - -
820 'ab\z'm b\nac\n n - -
834 'ab\Z'm ca\nb\n n - -
835 'ab\z'm ca\nb\n n - -
837 'ab\Z'm b\nca\n n - -
838 'ab\z'm b\nca\n n - -
846 abb\Z b\nabb\n y $-[0] 2
848 abb$ b\nabb\n y $-[0] 2
849 abb\Z b\nabb y $-[0] 2
850 abb\z b\nabb y $-[0] 2
851 abb$ b\nabb y $-[0] 2
852 'abb\Z'm abb\nb\n n - -
853 'abb\z'm abb\nb\n n - -
854 'abb$'m abb\nb\n y $-[0] 0
855 'abb\Z'm b\nabb\n y $-[0] 2
856 'abb\z'm b\nabb\n n - -
857 'abb$'m b\nabb\n y $-[0] 2
858 'abb\Z'm b\nabb y $-[0] 2
859 'abb\z'm b\nabb y $-[0] 2
860 'abb$'m b\nabb y $-[0] 2
870 'abb\Z'm ac\nb\n n - -
871 'abb\z'm ac\nb\n n - -
872 'abb$'m ac\nb\n n - -
873 'abb\Z'm b\nac\n n - -
874 'abb\z'm b\nac\n n - -
875 'abb$'m b\nac\n n - -
888 'abb\Z'm ca\nb\n n - -
889 'abb\z'm ca\nb\n n - -
890 'abb$'m ca\nb\n n - -
891 'abb\Z'm b\nca\n n - -
892 'abb\z'm b\nca\n n - -
893 'abb$'m b\nca\n n - -
899 a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz x n - -
900 a(?{$a=2;$b=3;($b)=$a})b yabz y $b 2
901 round\(((?>[^()]+))\) _I(round(xs * sz),1) y $1 xs * sz
902 '((?x:.) )' x y $1- x -
903 '((?-x:.) )'x x y $1- x-
904 foo.bart foo.bart y - -
905 '^d[x][x][x]'m abcd\ndxxx y - -
906 .X(.+)+X bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
907 .X(.+)+XX bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
908 .XX(.+)+X bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
909 .X(.+)+X bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
910 .X(.+)+XX bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
911 .XX(.+)+X bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
912 .X(.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
913 .X(.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
914 .XX(.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
915 .X(.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
916 .X(.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
917 .XX(.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
918 .[X](.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
919 .[X](.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
920 .[X][X](.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
921 .[X](.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
922 .[X](.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
923 .[X][X](.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
925 ([a-\d]+) za-9z Sy $1 a-9
926 ([a-\d]+) - sc - False [] range
927 ([\d-z]+) a0-za Sy $1 0-z
928 ([\d-z]+) - sc $1 False [] range
929 ([\d-\s]+) a0- z Sy $1 0-
930 ([\d-\s]+) - sc $1 False [] range
931 ([a-[:digit:]]+) za-9z Sy $1 a-9
932 ([a-[:digit:]]+) - sc - False [] range
933 ([[:digit:]-z]+) =0-z= Sy $1 0-z
934 ([[:digit:]-z]+) - sc c False [] range
935 ([[:digit:]-[:alpha:]]+) =0-z= Sy $1 0-z
936 ([[:digit:]-[:alpha:]]+) - sc - False [] range
938 (\d+\.\d+) 3.1415926 y $1 3.1415926
939 (\ba.{0,10}br) have a web browser y $1 a web br
940 '\.c(pp|xx|c)?$'i Changes n - -
941 '\.c(pp|xx|c)?$'i IO.c y - -
942 '(\.c(pp|xx|c)?$)'i IO.c y $1 .c
944 '^\S\s+aa$'m \nx aa y - -
946 ^([ab]*?)(b)?(c)$ abac y -$2- --
947 (\w)?(abc)\1b abcab n - -
948 ^(?:.,){2}c a,b,c y - -
949 ^(.,){2}c a,b,c y $1 b,
950 ^(?:[^,]*,){2}c a,b,c y - -
951 ^([^,]*,){2}c a,b,c y $1 b,
952 ^([^,]*,){3}d aaa,b,c,d y $1 c,
953 ^([^,]*,){3,}d aaa,b,c,d y $1 c,
954 ^([^,]*,){0,3}d aaa,b,c,d y $1 c,
955 ^([^,]{1,3},){3}d aaa,b,c,d y $1 c,
956 ^([^,]{1,3},){3,}d aaa,b,c,d y $1 c,
957 ^([^,]{1,3},){0,3}d aaa,b,c,d y $1 c,
958 ^([^,]{1,},){3}d aaa,b,c,d y $1 c,
959 ^([^,]{1,},){3,}d aaa,b,c,d y $1 c,
960 ^([^,]{1,},){0,3}d aaa,b,c,d y $1 c,
961 ^([^,]{0,3},){3}d aaa,b,c,d y $1 c,
962 ^([^,]{0,3},){3,}d aaa,b,c,d y $1 c,
963 ^([^,]{0,3},){0,3}d aaa,b,c,d y $1 c,
965 (?a:((?u)\w)\W) \xC0\xC0 y $& \xC0\xC0
966 '(?!\A)x'm a\nxb\n y - -
967 ^(a(b)?)+$ aba y -$1-$2- -a--
968 ^(aa(bb)?)+$ aabbaa y -$1-$2- -aa--
969 '^.{9}abc.*\n'm 123\nabcabcabcabc\n y - -
971 ^(a)?(?(1)a|b)+$ a n - -
972 ^(a\1?)(a\1?)(a\2?)(a\3?)$ aaaaaa y $1,$2,$3,$4 a,aa,a,aa
973 ^(a\1?){4}$ aaaaaa y $1 aa
974 ^(0+)?(?:x(1))? x1 y - -
975 ^([0-9a-fA-F]+)(?:x([0-9a-fA-F]+)?)(?:x([0-9a-fA-F]+))? 012cxx0190 y - -
976 ^(b+?|a){1,2}c bbbac y $1 a
977 ^(b+?|a){1,2}c bbbbac y $1 a
978 \((\w\. \w+)\) cd. (A. Tw) y -$1- -A. Tw-
979 ((?:aaaa|bbbb)cccc)? aaaacccc y - -
980 ((?:aaaa|bbbb)cccc)? bbbbcccc y - -
981 (a)?(a)+ a y $1:$2 :a -
982 (ab)?(ab)+ ab y $1:$2 :ab -
983 (abc)?(abc)+ abc y $1:$2 :abc -
986 ^(a(??{"(?!)"})|(a)(?{1}))b ab y $2 a # [ID 20010811.006 (#7512)]
987 ab(?i)cd AbCd n - - # [ID 20010809.023 (#7503)]
989 (A|B)*(?(1)(CD)|(CD)) CD y $2-$3 -CD
990 (A|B)*(?(1)(CD)|(CD)) ABCD y $2-$3 CD-
991 (A|B)*?(?(1)(CD)|(CD)) CD y $2-$3 -CD # [ID 20010803.016 (#7438)]
992 (A|B)*?(?(1)(CD)|(CD)) ABCD y $2-$3 CD-
993 '^(o)(?!.*\1)'i Oo n - -
994 (.*)\d+\1 abc12bc y $1 bc
995 (?m:(foo\s*$)) foo\n bar y $1 foo
997 (.*)(?=c) abcd y $1 ab
998 (.*)(?=c)c abcd yB $1 ab
999 (.*)(?=b|c) abcd y $1 ab
1000 (.*)(?=b|c)c abcd y $1 ab
1001 (.*)(?=c|b) abcd y $1 ab
1002 (.*)(?=c|b)c abcd y $1 ab
1003 (.*)(?=[bc]) abcd y $1 ab
1004 (.*)(?=[bc])c abcd yB $1 ab
1005 (.*)(?<=b) abcd y $1 ab
1006 (.*)(?<=b)c abcd y $1 ab
1007 (.*)(?<=b|c) abcd y $1 abc
1008 (.*)(?<=b|c)c abcd y $1 ab
1009 (.*)(?<=c|b) abcd y $1 abc
1010 (.*)(?<=c|b)c abcd y $1 ab
1011 (.*)(?<=[bc]) abcd y $1 abc
1012 (.*)(?<=[bc])c abcd y $1 ab
1014 (.*?)(?=c) abcd y $1 ab
1015 (.*?)(?=c)c abcd yB $1 ab
1016 (.*?)(?=b|c) abcd y $1 a
1017 (.*?)(?=b|c)c abcd y $1 ab
1018 (.*?)(?=c|b) abcd y $1 a
1019 (.*?)(?=c|b)c abcd y $1 ab
1020 (.*?)(?=[bc]) abcd y $1 a
1021 (.*?)(?=[bc])c abcd yB $1 ab
1022 (.*?)(?<=b) abcd y $1 ab
1023 (.*?)(?<=b)c abcd y $1 ab
1024 (.*?)(?<=b|c) abcd y $1 ab
1025 (.*?)(?<=b|c)c abcd y $1 ab
1026 (.*?)(?<=c|b) abcd y $1 ab
1027 (.*?)(?<=c|b)c abcd y $1 ab
1028 (.*?)(?<=[bc]) abcd y $1 ab
1029 (.*?)(?<=[bc])c abcd y $1 ab
1032 a(b)?? abc y <$1> <> # undef [perl #16773]
1033 (\d{1,3}\.){3,} 128.134.142.8 y <$1> <142.> # [perl #18019]
1034 ^.{3,4}(.+)\1\z foobarbar y $1 bar # 16 tests for [perl #23171]
1035 ^(?:f|o|b){3,4}(.+)\1\z foobarbar y $1 bar
1036 ^.{3,4}((?:b|a|r)+)\1\z foobarbar y $1 bar
1037 ^(?:f|o|b){3,4}((?:b|a|r)+)\1\z foobarbar y $1 bar
1038 ^.{3,4}(.+?)\1\z foobarbar y $1 bar
1039 ^(?:f|o|b){3,4}(.+?)\1\z foobarbar y $1 bar
1040 ^.{3,4}((?:b|a|r)+?)\1\z foobarbar y $1 bar
1041 ^(?:f|o|b){3,4}((?:b|a|r)+?)\1\z foobarbar y $1 bar
1042 ^.{2,3}?(.+)\1\z foobarbar y $1 bar
1043 ^(?:f|o|b){2,3}?(.+)\1\z foobarbar y $1 bar
1044 ^.{2,3}?((?:b|a|r)+)\1\z foobarbar y $1 bar
1045 ^(?:f|o|b){2,3}?((?:b|a|r)+)\1\z foobarbar y $1 bar
1046 ^.{2,3}?(.+?)\1\z foobarbar y $1 bar
1047 ^(?:f|o|b){2,3}?(.+?)\1\z foobarbar y $1 bar
1048 ^.{2,3}?((?:b|a|r)+?)\1\z foobarbar y $1 bar
1049 ^(?:f|o|b){2,3}?((?:b|a|r)+?)\1\z foobarbar y $1 bar
1050 .*a(?!(b|cd)*e).*f ......abef n - - # [perl #23030]
1051 x(?# - c - Sequence (?#... not terminated
1052 :x(?#: - c - Sequence (?#... not terminated
1053 (WORDS|WORD)S WORDS y $1 WORD
1054 (X.|WORDS|X.|WORD)S WORDS y $1 WORD
1055 (WORDS|WORLD|WORD)S WORDS y $1 WORD
1056 (X.|WORDS|WORD|Y.)S WORDS y $1 WORD
1057 (foo|fool|x.|money|parted)$ fool y $1 fool
1058 (x.|foo|fool|x.|money|parted|y.)$ fool y $1 fool
1059 (foo|fool|money|parted)$ fool y $1 fool
1060 (foo|fool|x.|money|parted)$ fools n - -
1061 (x.|foo|fool|x.|money|parted|y.)$ fools n - -
1062 (foo|fool|money|parted)$ fools n - -
1063 (a|aa|aaa||aaaa|aaaaa|aaaaaa)(b|c) aaaaaaaaaaaaaaab y $1$2 aaaaaab
1064 (a|aa|aaa||aaaa|aaaaa|aaaaaa)(??{$1&&""})(b|c) aaaaaaaaaaaaaaab y $1$2 aaaaaab
1065 (a|aa|aaa|aaaa|aaaaa|aaaaaa)(??{$1&&"foo"})(b|c) aaaaaaaaaaaaaaab n - -
1066 ^(a*?)(?!(aa|aaaa)*$) aaaaaaaaaaaaaaaaaaaa y $1 a # [perl #34195]
1067 ^(a*?)(?!(aa|aaaa)*$)(?=a\z) aaaaaaaa y $1 aaaaaaa
1068 ^(.)\s+.$(?(1)) A B y $1 A # [perl #37688]
1069 (?:r?)*?r|(.{2,4}) abcde y $1 abcd
1070 (?!)+?|(.{2,4}) abcde y $1 abcd
1071 ^(a*?)(?!(a{6}|a{5})*$) aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y $+[1] 12 # super-linear cache bug may return 18
1072 ^((?>(?:aa)?b)?) aab y $1 aab
1073 ^((?:aa)*)(?:X+((?:\d+|-)(?:X+(.+))?))?$ aaaaX5 y $1 aaaa
1074 X(A|B||C|D)Y XXXYYY y $& XY # Trie w/ NOTHING
1075 (?i:X([A]|[B]|y[Y]y|[D]|)Y) XXXYYYB y $& XY # Trie w/ NOTHING
1076 ^([a]{1})*$ aa y $1 a
1077 a(?!b(?!c))(..) abababc y $1 bc # test nested negatives
1078 a(?!b(?=a))(..) abababc y $1 bc # test nested lookaheads
1079 a(?!b(?!c(?!d(?!e))))...(.) abxabcdxabcde y $1 e
1080 X(?!b+(?!(c+)*(?!(c+)*d))).*X aXbbbbbbbcccccccccccccaaaX y - -
1081 ^(XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1082 ^(XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1083 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1084 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1085 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1086 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQX: y $1 ZEQQQX
1087 ^(XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1088 ^(XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1089 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1090 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1091 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1092 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQX: y $1 ZEQQQX
1093 X(?:ABCF[cC]x*|ABCD|ABCF):(?:DIT|DID|DIM) XABCFCxxxxxxxxxx:DIM y $& XABCFCxxxxxxxxxx:DIM
1094 (((ABCD|ABCE|ABCF)))(A|B|C[xy]*): ABCFCxxxxxxxxxx:DIM y $& ABCFCxxxxxxxxxx:
1096 (?=foo) XfooY y pos 1
1097 .*(?=foo) XfooY y pos 1
1099 (?<=foo) foo y pos 3
1100 (?<=foo) XfooY y pos 4
1101 .*(?<=foo) foo y pos 3
1102 .*(?<=foo) XfooY y pos 4
1103 (?<=foo)Y XfooY y pos 5
1104 o(?<=foo)Y ..XfooY.. y pos 7
1105 X(?=foo)f ..XfooY.. y pos 4
1106 X(?=foo) ..XfooY.. y pos 3
1107 X(?<=foo.)[YZ] ..XfooXY.. y pos 8
1108 (?=XY*foo) Xfoo y pos 0
1109 ^(?=XY*foo) Xfoo y pos 0
1110 ^(??{"a+"})a aa y $& aa
1111 ^(?:(??{"a+"})|b)a aa y $& aa
1112 ^(??{chr 0x100}).$ \x{100}\x{100} y $& \x{100}\x{100}
1113 ^(??{q(\x{100})}). \x{100}\x{100} y $& \x{100}\x{100}
1114 ^(??{q(.+)})\x{100} \x{100}\x{100} y $& \x{100}\x{100}
1115 ^(??{q(.)})\x{100} \x{100}\x{100} y $& \x{100}\x{100}
1116 ^(??{chr 0x100})\xbb \x{100}\x{bb} y $& \x{100}\x{bb}
1117 ^(.)(??{"(.)(.)"})(.)$ abcd y $1-$2 a-d
1118 ^(.)(??{"(bz+|.)(.)"})(.)$ abcd y $1-$2 a-d
1119 ^(.)((??{"(.)(cz+)"})|.) abcd y $1-$2 a-b
1120 ^a(?>(??{q(b)}))(??{q(c)})d abcd y - -
1121 ^x(??{""})+$ x y $& x
1122 ^(<(?:[^<>]+|(?3)|(?1))*>)()(!>!>!>)$ <<!>!>!>><>>!>!>!> y $1 <<!>!>!>><>>
1123 ^(<(?:[^<>]+|(?1))*>)$ <<><<<><>>>> y $1 <<><<<><>>>>
1124 ((?2)*)([fF]o+) fooFoFoo y $1-$2 fooFo-Foo
1125 (<(?:[^<>]+|(?R))*>) <<><<<><>>>> y $1 <<><<<><>>>>
1126 (?<n>foo|bar|baz) snofooewa y $1 foo
1127 (?<n>foo|bar|baz) snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1128 (?<n>foo|bar|baz)(?<m>[ew]+) snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1129 (?<n>foo|bar|baz)(?<m>[ew]+) snofooewa yM $+{m} ew miniperl cannot load Tie::Hash::NamedCapture
1130 (?<n>foo)|(?<n>bar)|(?<n>baz) snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1131 (?<n>foo)(??{ $+{n} }) snofooefoofoowaa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1132 (?P<n>foo|bar|baz) snofooewa y $1 foo
1133 (?P<n>foo|bar|baz) snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1134 (?P<n>foo|bar|baz)(?P<m>[ew]+) snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1135 (?P<n>foo|bar|baz)(?P<m>[ew]+) snofooewa yM $+{m} ew miniperl cannot load Tie::Hash::NamedCapture
1136 (?P<n>foo)|(?P<n>bar)|(?P<n>baz) snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1137 (?P<n>foo)(??{ $+{n} }) snofooefoofoowaa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1138 (?P<=n>foo|bar|baz) - c - Group name must start with a non-digit word character
1139 (?P<!n>foo|bar|baz) - c - Group name must start with a non-digit word character
1140 (?PX<n>foo|bar|baz) - c - Sequence (?PX...) not recognized
1141 /(?'n'foo|bar|baz)/ snofooewa y $1 foo
1142 /(?'n'foo|bar|baz)/ snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1143 /(?'n'foo|bar|baz)(?'m'[ew]+)/ snofooewa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1144 /(?'n'foo|bar|baz)(?'m'[ew]+)/ snofooewa yM $+{m} ew miniperl cannot load Tie::Hash::NamedCapture
1145 /(?'n'foo)|(?'n'bar)|(?<n>baz)/ snobazewa yM $+{n} baz miniperl cannot load Tie::Hash::NamedCapture
1146 /(?'n'foo)(??{ $+{n} })/ snofooefoofoowaa yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1147 /(?'n'foo)\k<n>/ ..foofoo.. y $1 foo
1148 /(?'n'foo)\k<n>/ ..foofoo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1149 /(?<n>foo)\k'n'/ ..foofoo.. y $1 foo
1150 /(?<n>foo)\k'n'/ ..foofoo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1151 /(?:(?<n>foo)|(?<n>bar))\k<n>/ ..barbar.. yM $+{n} bar miniperl cannot load Tie::Hash::NamedCapture
1152 /^(?'main'<(?:[^<>]+|(?&crap)|(?&main))*>)(?'empty')(?'crap'!>!>!>)$/ <<!>!>!>><>>!>!>!> yM $+{main} <<!>!>!>><>> miniperl cannot load Tie::Hash::NamedCapture
1153 /^(?'main'<(?:[^<>]+|(?&main))*>)$/ <<><<<><>>>> y $1 <<><<<><>>>>
1154 /(?'first'(?&second)*)(?'second'[fF]o+)/ fooFoFoo yM $+{first}-$+{second} fooFo-Foo miniperl cannot load Tie::Hash::NamedCapture
1155 (?<A>foo)?(?(<A>)bar|nada) foobar yM $+{A} foo miniperl cannot load Tie::Hash::NamedCapture
1156 (?<A>foo)?(?(<A>)bar|nada) foo-barnada y $& nada
1157 (?<A>foo)?(?(1)bar|nada) foo-barnada y $& nada
1158 (?<A>foo(?(R)bar))?(?1) foofoobar y $1 foo
1159 (?<A>foo(?(R)bar))?(?1) foofoobar y $& foofoobar
1160 (x)(?<A>foo(?(R&A)bar))?(?&A) xfoofoobar y $2 foo
1161 (x)(?<A>foo(?(R&A)bar))?(?&A) xfoofoobar y $& xfoofoobar
1162 (x)(?<A>foo(?(R2)bar))?(?&A) xfoofoobar y $2 foo
1163 (x)(?<A>foo(?(R2)bar))?(?&A) xfoofoobar y $& xfoofoobar
1164 (?1)(?(DEFINE)(blah)) blah y $& blah
1165 /^(?<PAL>(?<CHAR>.)((?&PAL)|.?)\k<CHAR>)$/ madamimadam y $& madamimadam
1166 /^(?<PAL>(?<CHAR>.)((?&PAL)|.?)\k<CHAR>)$/ madamiamadam n - -
1167 /(a)?((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1168 /(a)*((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1169 /(a)+((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1170 /(a){1,100}((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1171 /(a){0,100}((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1172 /(a)??((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1173 /(a)*?((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1174 /(a)+?((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1175 /(a){1,100}?((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1176 /(a){0,100}?((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1177 /(ab)?((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1178 /(ab)*((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1179 /(ab)+((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1180 /(ab){1,100}((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1181 /(ab){0,100}((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1182 foo(?0)?bar phoofoofoobarbarbarr y $& foofoobarbar
1183 foo(?R)?bar phoofoofoobarbarbarr y $& foofoobarbar
1184 # possessive captures
1187 a{1,5}+a aaaaa n - -
1189 a++b aaaaab y $& aaaaab
1190 a*+b aaaaab y $& aaaaab
1191 a{1,5}+b aaaaab y $& aaaaab
1193 fooa++a fooaaaaa n - -
1194 fooa*+a fooaaaaa n - -
1195 fooa{1,5}+a fooaaaaa n - -
1197 fooa++b fooaaaaab y $& fooaaaaab
1198 fooa*+b fooaaaaab y $& fooaaaaab
1199 fooa{1,5}+b fooaaaaab y $& fooaaaaab
1200 fooa?+b fooab y $& fooab
1201 (?:aA)++(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1202 (aA)++(aA) aAaAaAaAaA n - aAaAaAaAaA
1203 (aA|bB)++(aA|bB) aAaAbBaAbB n - aAaAbBaAbB
1204 (?:aA|bB)++(?:aA|bB) aAbBbBbBaA n - aAbBbBbBaA
1205 (?:aA)*+(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1206 (aA)*+(aA) aAaAaAaAaA n - aAaAaAaAaA
1207 (aA|bB)*+(aA|bB) aAaAbBaAaA n - aAaAbBaAaA
1208 (?:aA|bB)*+(?:aA|bB) aAaAaAbBaA n - aAaAaAbBaA
1209 (?:aA){1,5}+(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1210 (aA){1,5}+(aA) aAaAaAaAaA n - aAaAaAaAaA
1211 (aA|bB){1,5}+(aA|bB) aAaAbBaAaA n - aAaAbBaAaA
1212 (?:aA|bB){1,5}+(?:aA|bB) bBbBbBbBbB n - bBbBbBbBbB
1213 (?:aA)?+(?:aA) aAb n - aAb
1214 (aA)?+(aA) aAb n - aAb
1215 (aA|bB)?+(aA|bB) bBb n - bBb
1216 (?:aA|bB)?+(?:aA|bB) aAb n - aAb
1217 (?:aA)++b aAaAaAaAaAb y $& aAaAaAaAaAb
1218 (aA)++b aAaAaAaAaAb y $& aAaAaAaAaAb
1219 (aA|bB)++b aAbBaAaAbBb y $& aAbBaAaAbBb
1220 (?:aA|bB)++b aAbBbBaAaAb y $& aAbBbBaAaAb
1221 (?:aA)*+b aAaAaAaAaAb y $& aAaAaAaAaAb
1222 (aA)*+b aAaAaAaAaAb y $& aAaAaAaAaAb
1223 (aA|bB)*+b bBbBbBbBbBb y $& bBbBbBbBbBb
1224 (?:aA|bB)*+b bBaAbBbBaAb y $& bBaAbBbBaAb
1225 (?:aA){1,5}+b aAaAaAaAaAb y $& aAaAaAaAaAb
1226 (aA){1,5}+b aAaAaAaAaAb y $& aAaAaAaAaAb
1227 (aA|bB){1,5}+b bBaAbBaAbBb y $& bBaAbBaAbBb
1228 (?:aA|bB){1,5}+b aAbBaAbBbBb y $& aAbBaAbBbBb
1229 (?:aA)?+b aAb y $& aAb
1230 (aA)?+b aAb y $& aAb
1231 (aA|bB)?+b bBb y $& bBb
1232 (?:aA|bB)?+b bBb y $& bBb
1233 foo(?:aA)++(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1234 foo(aA)++(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1235 foo(aA|bB)++(aA|bB) foobBbBbBaAaA n - foobBbBbBaAaA
1236 foo(?:aA|bB)++(?:aA|bB) fooaAaAaAaAaA n - fooaAaAaAaAaA
1237 foo(?:aA)*+(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1238 foo(aA)*+(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1239 foo(aA|bB)*+(aA|bB) foobBaAbBaAaA n - foobBaAbBaAaA
1240 foo(?:aA|bB)*+(?:aA|bB) fooaAaAbBbBaA n - fooaAaAbBbBaA
1241 foo(?:aA){1,5}+(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1242 foo(aA){1,5}+(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1243 foo(aA|bB){1,5}+(aA|bB) fooaAbBbBaAaA n - fooaAbBbBaAaA
1244 foo(?:aA|bB){1,5}+(?:aA|bB) fooaAbBbBaAbB n - fooaAbBbBaAbB
1245 foo(?:aA)?+(?:aA) fooaAb n - fooaAb
1246 foo(aA)?+(aA) fooaAb n - fooaAb
1247 foo(aA|bB)?+(aA|bB) foobBb n - foobBb
1248 foo(?:aA|bB)?+(?:aA|bB) fooaAb n - fooaAb
1249 foo(?:aA)++b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1250 foo(aA)++b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1251 foo(aA|bB)++b foobBaAbBaAbBb y $& foobBaAbBaAbBb
1252 foo(?:aA|bB)++b fooaAaAbBaAaAb y $& fooaAaAbBaAaAb
1253 foo(?:aA)*+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1254 foo(aA)*+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1255 foo(aA|bB)*+b foobBbBaAaAaAb y $& foobBbBaAaAaAb
1256 foo(?:aA|bB)*+b foobBaAaAbBaAb y $& foobBaAaAbBaAb
1257 foo(?:aA){1,5}+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1258 foo(aA){1,5}+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1259 foo(aA|bB){1,5}+b foobBaAaAaAaAb y $& foobBaAaAaAaAb
1260 foo(?:aA|bB){1,5}+b fooaAbBaAbBbBb y $& fooaAbBaAbBbBb
1261 foo(?:aA)?+b fooaAb y $& fooaAb
1262 foo(aA)?+b fooaAb y $& fooaAb
1263 foo(aA|bB)?+b foobBb y $& foobBb
1264 foo(?:aA|bB)?+b foobBb y $& foobBb
1266 ([^()]++|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
1267 round\(([^()]++)\) _I(round(xs * sz),1) y $1 xs * sz
1269 (foo[1x]|bar[2x]|baz[3x])+y foo1bar2baz3y y $1 baz3
1270 (foo[1x]|bar[2x]|baz[3x])+y foo1bar2baz3y y $& foo1bar2baz3y
1271 (foo[1x]|bar[2x]|baz[3x])*y foo1bar2baz3y y $1 baz3
1272 (foo[1x]|bar[2x]|baz[3x])*y foo1bar2baz3y y $& foo1bar2baz3y
1274 ([yX].|WORDS|[yX].|WORD)S WORDS y $1 WORD
1275 (WORDS|WORLD|WORD)S WORDS y $1 WORD
1276 ([yX].|WORDS|WORD|[xY].)S WORDS y $1 WORD
1277 (foo|fool|[zx].|money|parted)$ fool y $1 fool
1278 ([zx].|foo|fool|[zq].|money|parted|[yx].)$ fool y $1 fool
1279 (foo|fool|[zx].|money|parted)$ fools n - -
1280 ([zx].|foo|fool|[qx].|money|parted|[py].)$ fools n - -
1282 ([yX].|WORDS|[yX].|WORD)+S WORDS y $1 WORD
1283 (WORDS|WORLD|WORD)+S WORDS y $1 WORD
1284 ([yX].|WORDS|WORD|[xY].)+S WORDS y $1 WORD
1285 (foo|fool|[zx].|money|parted)+$ fool y $1 fool
1286 ([zx].|foo|fool|[zq].|money|parted|[yx].)+$ fool y $1 fool
1287 (foo|fool|[zx].|money|parted)+$ fools n - -
1288 ([zx].|foo|fool|[qx].|money|parted|[py].)+$ fools n - -
1290 (x|y|z[QW])+(longish|loquatious|excessive|overblown[QW])+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1291 (x|y|z[QW])*(longish|loquatious|excessive|overblown[QW])* xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1292 (x|y|z[QW]){1,5}(longish|loquatious|excessive|overblown[QW]){1,5} xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1294 (x|y|z[QW])++(longish|loquatious|excessive|overblown[QW])++ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1295 (x|y|z[QW])*+(longish|loquatious|excessive|overblown[QW])*+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1296 (x|y|z[QW]){1,5}+(longish|loquatious|excessive|overblown[QW]){1,5}+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1299 a*(*FAIL) aaaab n - -
1302 (A(A|B(*ACCEPT)|C)D)(E) AB y $1 AB
1303 (A(A|B(*ACCEPT)|C)D)(E) ACDE y $1$2$3 ACDCE
1305 (a)(?:(?-1)|(?+1))(b) aab y $&-$1-$2 aab-a-b
1306 (a)(?:(?-1)|(?+1))(b) abb y $1-$2 a-b
1307 (a)(?:(?-1)|(?+1))(b) acb n - -
1309 (foo)(\g-2) foofoo y $1-$2 foo-foo
1310 (foo)(\g-2)(foo)(\g-2) foofoofoofoo y $1-$2-$3-$4 foo-foo-foo-foo
1311 (([abc]+) \g-1)(([abc]+) \g{-1}) abc abccba cba y $2-$4 abc-cba
1312 (a)(b)(c)\g1\g2\g3 abcabc y $1$2$3 abc
1314 # \k<n> preceded by a literal
1315 /(?'n'foo) \k<n>/ ..foo foo.. y $1 foo
1316 /(?'n'foo) \k<n>/ ..foo foo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1317 /(?<n>foo) \k'n'/ ..foo foo.. y $1 foo
1318 /(?<n>foo) \k'n'/ ..foo foo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1319 /(?'a1'foo) \k'a1'/ ..foo foo.. yM $+{a1} foo miniperl cannot load Tie::Hash::NamedCapture
1320 /(?<a1>foo) \k<a1>/ ..foo foo.. yM $+{a1} foo miniperl cannot load Tie::Hash::NamedCapture
1321 /(?'_'foo) \k'_'/ ..foo foo.. yM $+{_} foo miniperl cannot load Tie::Hash::NamedCapture
1322 /(?<_>foo) \k<_>/ ..foo foo.. yM $+{_} foo miniperl cannot load Tie::Hash::NamedCapture
1323 /(?'_0_'foo) \k'_0_'/ ..foo foo.. yM $+{_0_} foo miniperl cannot load Tie::Hash::NamedCapture
1324 /(?<_0_>foo) \k<_0_>/ ..foo foo.. yM $+{_0_} foo miniperl cannot load Tie::Hash::NamedCapture
1325 /(?'0'foo) bar/ - c - Group name must start with a non-digit word character
1326 /(?<0>foo) bar/ - c - Group name must start with a non-digit word character
1327 /(?'12'foo) bar/ - c - Group name must start with a non-digit word character
1328 /(?<12>foo) bar/ - c - Group name must start with a non-digit word character
1329 /(?'1a'foo) bar/ - c - Group name must start with a non-digit word character
1330 /(?<1a>foo) bar/ - c - Group name must start with a non-digit word character
1331 /(?''foo) bar/ - c - Group name must start with a non-digit word character
1332 /(?<>foo) bar/ - c - Group name must start with a non-digit word character
1333 /foo \k'n'/ - c - Reference to nonexistent named group
1334 /foo \k<n>/ - c - Reference to nonexistent named group
1335 /foo \k'a1'/ - c - Reference to nonexistent named group
1336 /foo \k<a1>/ - c - Reference to nonexistent named group
1337 /foo \k'_'/ - c - Reference to nonexistent named group
1338 /foo \k<_>/ - c - Reference to nonexistent named group
1339 /foo \k'_0_'/ - c - Reference to nonexistent named group
1340 /foo \k<_0_>/ - c - Reference to nonexistent named group
1341 /foo \k'0'/ - c - Group name must start with a non-digit word character
1342 /foo \k<0>/ - c - Group name must start with a non-digit word character
1343 /foo \k'12'/ - c - Group name must start with a non-digit word character
1344 /foo \k<12>/ - c - Group name must start with a non-digit word character
1345 /foo \k'1a'/ - c - Group name must start with a non-digit word character
1346 /foo \k<1a>/ - c - Group name must start with a non-digit word character
1347 /foo \k''/ - c - Group name must start with a non-digit word character
1348 /foo \k<>/ - c - Group name must start with a non-digit word character
1349 /(?<as>as) (\w+) \k<as> (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1350 /(?<as>as) (\w+) \k{as} (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1351 /(?<as>as) (\w+) \k'as' (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1352 /(?<as>as) (\w+) \k{ as } (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1353 /(?<as>as) (\w+) \k< as> (\w+)/ as easy as pie c - Group name must start with a non-digit word character
1355 # \g{...} with a name as the argument
1356 /(?'n'foo) \g{n}/ ..foo foo.. y $1 foo
1357 /(?'n'foo) \g{ n }/ ..foo foo.. y $1 foo
1358 /(?'n'foo) \g{n}/ ..foo foo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1359 /(?<n>foo) \g{n}/ ..foo foo.. y $1 foo
1360 /(?<n>foo) \g{n}/ ..foo foo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1361 /(?<as>as) (\w+) \g{as} (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1363 # Python style named capture buffer stuff
1364 /(?P<n>foo)(?P=n)/ ..foofoo.. y $1 foo
1365 /(?P<n>foo)(?P=n)/ ..foofoo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1366 /(?:(?P<n>foo)|(?P<n>bar))(?P=n)/ ..barbar.. yM $+{n} bar miniperl cannot load Tie::Hash::NamedCapture
1367 /^(?P<PAL>(?P<CHAR>.)((?P>PAL)|.?)(?P=CHAR))$/ madamimadam y $& madamimadam
1368 /^(?P<PAL>(?P<CHAR>.)((?P>PAL)|.?)(?P=CHAR))$/ madamiamadam n - -
1369 /(?P<n>foo) (?P=n)/ ..foo foo.. y $1 foo
1370 /(?P<n>foo) (?P=n)/ ..foo foo.. yM $+{n} foo miniperl cannot load Tie::Hash::NamedCapture
1371 /(?P<as>as) (\w+) (?P=as) (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1373 #check that non identifiers as names are treated as the appropriate lookaround
1374 (?<=bar>)foo bar>foo y $& foo
1375 (?<!bar>)foo bar>foo n - -
1376 (?<=bar>ABC)foo bar>ABCfoo y $& foo
1377 (?<!bar>ABC)foo bar>ABCfoo n - -
1378 (?<bar>)foo bar>ABCfoo y $& foo
1379 (?<bar>ABC)foo bar>ABCfoo y $& ABCfoo
1381 (?<=abcd(?<=(aaaabcd))) ..aaaabcd.. y $1 aaaabcd
1382 (?=xy(?<=(aaxy))) ..aaxy.. y $1 aaxy
1383 (?=xy(?<=(aaxyz?))) ..aaxy.. y $1 aaxy
1385 X(\w+)(?=\s)|X(\w+) Xab y [$1-$2] [-ab]
1387 #check that branch reset works ok.
1388 (?|(a)) a y $1-$+-$^N a-a-a
1389 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) d!o!da y $1-$2-$3 !o!-o-a
1390 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) aabc y $1-$2-$3 a--c
1391 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) ixyjp y $1-$2-$3 x-y-p
1392 (?|(?|(a)|(b))|(?|(c)|(d))) a y $1 a
1393 (?|(?|(a)|(b))|(?|(c)|(d))) b y $1 b
1394 (?|(?|(a)|(b))|(?|(c)|(d))) c y $1 c
1395 (?|(?|(a)|(b))|(?|(c)|(d))) d y $1 d
1396 (.)(?|(.)(.)x|(.)d)(.) abcde y $1-$2-$3-$4-$5- b-c--e--
1397 (\N)(?|(\N)(\N)x|(\N)d)(\N) abcde y $1-$2-$3-$4-$5- b-c--e--
1398 (?|(?<foo>x)) x yM $+{foo} x miniperl cannot load Tie::Hash::NamedCapture
1399 (?|(?<foo>x)|(?<bar>y)) x yM $+{foo} x miniperl cannot load Tie::Hash::NamedCapture
1400 (?|(?<bar>y)|(?<foo>x)) x yM $+{foo} x miniperl cannot load Tie::Hash::NamedCapture
1401 (?<bar>)(?|(?<foo>x)) x yM $+{foo} x miniperl cannot load Tie::Hash::NamedCapture
1402 # Used to crash, because the last branch was ignored when the parens
1404 (?|(b)|()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()()(a)) a y $& a
1407 (?(DEFINE)(?<A>(?&B)+)(?<B>a))(?&A) a y $& a
1408 (?(DEFINE)(?<A>(?&B)+)(?<B>a))(?&A) aa y $& aa
1409 \x{100}?(??{""})xxx xxx y $& xxx
1411 foo(\R)bar foo\r\nbar y $1 \r\n
1412 foo(\R)bar foo\nbar y $1 \n
1413 foo(\R)bar foo\rbar y $1 \r
1415 foo(\R+)bar foo\r\n\x{85}\r\n\nbar y $1 \r\n\x{85}\r\n\n
1416 (\V+)(\R) foo\r\n\x{85}\r\n\nbar y $1-$2 foo-\r\n
1417 (\R+)(\V) foo\r\n\x{85}\r\n\nbar y $1-$2 \r\n\x{85}\r\n\n-b
1418 foo(\R)bar foo\x{85}bar y $1 \x{85}
1419 (\V)(\R) foo\x{85}bar y $1-$2 o-\x{85}
1420 (\R)(\V) foo\x{85}bar y $1-$2 \x{85}-b
1421 foo(\R)bar foo\r\nbar y $1 \r\n
1422 (\V)(\R) foo\r\nbar y $1-$2 o-\r\n
1423 (\R)(\V) foo\r\nbar y $1-$2 \r\n-b
1424 foo(\R)bar foo\r\nbar y $1 \r\n
1425 (\V)(\R) foo\r\nbar y $1-$2 o-\r\n
1426 (\R)(\V) foo\r\nbar y $1-$2 \r\n-b
1427 foo(\R)bar foo\rbar y $1 \r
1428 (\V)(\R) foo\rbar y $1-$2 o-\r
1429 (\R)(\V) foo\rbar y $1-$2 \r-b
1430 0|\R??\n0 \n\n n - - - # GH17746: assertion failure
1432 foo(\v+)bar foo\r\n\x{85}\r\n\nbar y $1 \r\n\x{85}\r\n\n
1433 (\V+)(\v) foo\r\n\x{85}\r\n\nbar y $1-$2 foo-\r
1434 (\v+)(\V) foo\r\n\x{85}\r\n\nbar y $1-$2 \r\n\x{85}\r\n\n-b
1435 foo(\v)bar foo\x{85}bar y $1 \x{85}
1436 (\V)(\v) foo\x{85}bar y $1-$2 o-\x{85}
1437 (\v)(\V) foo\x{85}bar y $1-$2 \x{85}-b
1438 foo(\v)bar foo\rbar y $1 \r
1439 (\V)(\v) foo\rbar y $1-$2 o-\r
1440 (\v)(\V) foo\rbar y $1-$2 \r-b
1443 foo(\h+)bar foo\t\x{A0}bar y $1 \t\x{A0}
1444 (\H+)(\h) foo\t\x{A0}bar y $1-$2 foo-\t
1445 (\h+)(\H) foo\t\x{A0}bar y $1-$2 \t\x{A0}-b
1446 foo(\h)bar foo\x{A0}bar y $1 \x{A0}
1447 (\H)(\h) foo\x{A0}bar y $1-$2 o-\x{A0}
1448 (\h)(\H) foo\x{A0}bar y $1-$2 \x{A0}-b
1449 foo(\h)bar foo\tbar y $1 \t
1450 (\H)(\h) foo\tbar y $1-$2 o-\t
1451 (\h)(\H) foo\tbar y $1-$2 \t-b
1453 .*\z foo\n y -$&- --
1454 \N*\z foo\n y -$&- --
1455 .*\Z foo\n y -$&- -foo-
1456 \N*\Z foo\n y -$&- -foo-
1457 ^(?:(\d)x)?\d$ 1 y ${\(defined($1)?1:0)} 0
1458 .*?(?:(\w)|(\w))x abx y $1-$2 b-
1460 0{50} 000000000000000000000000000000000000000000000000000 y - -
1461 ^a?(?=b)b ab y $& ab # Bug #56690
1462 ^a*(?=b)b ab y $& ab # Bug #56690
1463 />\d+$ \n/ix >10\n y $& >10
1464 />\d+$ \n/ix >1\n y $& >1
1465 /\d+$ \n/ix >10\n y $& 10
1466 />\d\d$ \n/ix >10\n y $& >10
1467 />\d+$ \n/x >10\n y $& >10
1469 # Two regressions in 5.8.x (only) introduced by change 30638
1470 # Simplification of the test failure in XML::LibXML::Simple:
1471 /^\s*i.*?o\s*$/s io\n io y - -
1472 # As reported in #59168 by Father Chrysostomos:
1473 /(.*?)a(?!(a+)b\2c)/ baaabaac y $&-$1 baa-ba
1474 # [perl #60344] Regex lookbehind failure after an (if)then|else in perl 5.10
1475 /\A(?(?=db2)db2|\D+)(?<!processed)\.csv\z/xms sql_processed.csv n - -
1476 /\N{U+0100}/ \x{100} y $& \x{100} # Bug #59328
1477 /\N{ U+0100 }/ \x{100} y $& \x{100} # Bug #59328
1478 /[a\N{U+0100}]/ \x{100} y $& \x{100}
1479 /[a\N{ U+0100 }]/ \x{100} y $& \x{100}
1480 /[a\N{U+0100}]/ a y $& a
1482 # Verify that \N{U+...} forces Unicode rules
1483 /\N{U+41}\x{c1}/i a\x{e1} y $& a\x{e1}
1484 '\N{U+41}\x{c1}'i a\x{e1} y $& a\x{e1}
1485 /[\N{U+41}\x{c1}]/i \x{e1} y $& \x{e1}
1486 '[\N{U+41}\x{c1}]'i \x{e1} y $& \x{e1}
1487 '\N{U+41}' A y $& A # Even for single quoted patterns
1489 [\s][\S] \x{a0}\x{a0} n - - # Unicode complements should not match same character
1491 # was generating malformed utf8
1492 '[\x{100}\xff]'i \x{ff} y $& \x{ff}
1494 ((??{ "(?:|)" }))\s C\x20 y - -
1496 # Verify that \ escapes the { after \N, and causes \N to match non-newline
1497 abc\N\{U+BEEF} abc\n{UBEEF} n
1498 abc\N\{U+BEEF\} abc.{UBEEF} y $& abc.{UBEEF}
1499 [abc\N\{U+BEEF\}] - c - \\N in a character class must be a named character
1501 # Verify that \N can be trailing and causes \N to match non-newline
1502 abc\N abcd y $& abcd
1505 # Verify get errors. For these, we need // or else puts it in single quotes,
1506 # and bypasses the lexer.
1507 /\N{U+}/ - c - Invalid hexadecimal number
1508 /[\N{U+}]/ - c - Invalid hexadecimal number
1509 /abc\N{def/ - c - Missing right brace
1510 /\N{U+4AG3}/ - c - Invalid hexadecimal number
1511 /[\N{U+4AG3}]/ - c - Invalid hexadecimal number
1513 # And verify that in single quotes which bypasses the lexer, the regex compiler
1515 \N{U+} - c - Invalid hexadecimal number
1516 [\N{U+}] - c - Invalid hexadecimal number
1517 \N{U+4AG3} - c - Invalid hexadecimal number
1518 [\N{U+4AG3}] - c - Invalid hexadecimal number
1519 abc\N{def} - c - Unknown charname 'def' in regex
1520 abc\N{U+4AG3 - c - Missing right brace on \\N{}
1521 abc\N{def - c - Missing right brace on \\N{}
1522 abc\N{ - c - Missing right brace on \\N{}
1524 # Verify that under /x that still cant have space before left brace
1525 /abc\N {U+41}/x - c - Missing braces
1526 /abc\N {SPACE}/x - c - Missing braces
1528 # Verifies catches hex errors
1529 /\N{U+0xBEEF}/ - c - Invalid hexadecimal number
1530 \N{U+0xBEEF} - c - Invalid hexadecimal number
1531 # Used to be an error, but not any more:
1532 /\N{U+BEEF.BEAD}/ - c -
1534 # Verify works in single quotish context; regex compiler delivers slightly different msg
1535 # \N{U+BEEF.BEAD} succeeds here, because can't completely hide it from the outside.
1536 \N{U+0xBEEF} - c - Invalid hexadecimal number
1537 \c` - ac - \"\\c`\" is more clearly written simply as \"\\ \"
1538 \c1 - ac - \"\\c1\" is more clearly written simply as \"q\"
1551 \c\X \034X y $& \034X
1556 \c? \x9F ey $& \x9F \c? is APC on EBCDIC
1557 \400 \x{100} y $& \x{100}
1558 \600 \x{180} y $& \x{180}
1559 \777 \x{1FF} y $& \x{1FF}
1560 [a\400] \x{100} y $& \x{100}
1561 [b\600] \x{180} y $& \x{180}
1562 [c\777] \x{1FF} y $& \x{1FF}
1563 \o{120} \x{50} y $& \x{50}
1564 \o{400} \x{100} y $& \x{100}
1565 \o{1000} \x{200} y $& \x{200}
1566 [a\o{120}] \x{50} y $& \x{50}
1567 [a\o{400}] \x{100} y $& \x{100}
1568 [a\o{1000}] \x{200} y $& \x{200}
1570 # The below were inserting a NULL
1571 \87 87 c - Reference to nonexistent group in regex
1572 a\87 a87 c - Reference to nonexistent group in regex
1573 a\97 a97 c - Reference to nonexistent group in regex
1575 # avoid problems with 32-bit signed integer overflow
1577 (.)\g2147483648} x c - Reference to nonexistent group in regex
1578 (.)\g2147483649} x c - Reference to nonexistent group in regex
1579 (.)\g2147483650} x c - Reference to nonexistent group in regex
1580 (.)\g4294967296} x c - Reference to nonexistent group in regex
1581 (.)\g4294967297} x c - Reference to nonexistent group in regex
1582 (.)\g4294967298} x c - Reference to nonexistent group in regex
1583 a(.)\g2147483648} x c - Reference to nonexistent group in regex
1584 a(.)\g2147483649} x c - Reference to nonexistent group in regex
1585 a(.)\g2147483650} x c - Reference to nonexistent group in regex
1586 a(.)\g4294967296} x c - Reference to nonexistent group in regex
1587 a(.)\g4294967297} x c - Reference to nonexistent group in regex
1588 a(.)\g4294967298} x c - Reference to nonexistent group in regex
1590 (.)\g{2147483648} x c - Reference to nonexistent group in regex
1591 (.)\g{ 2147483648 } x c - Reference to nonexistent group in regex
1592 (.)\g{2147483649} x c - Reference to nonexistent group in regex
1593 (.)\g{2147483650} x c - Reference to nonexistent group in regex
1594 (.)\g{4294967296} x c - Reference to nonexistent group in regex
1595 (.)\g{4294967297} x c - Reference to nonexistent group in regex
1596 (.)\g{4294967298} x c - Reference to nonexistent group in regex
1597 a(.)\g{2147483648} x c - Reference to nonexistent group in regex
1598 a(.)\g{2147483649} x c - Reference to nonexistent group in regex
1599 a(.)\g{2147483650} x c - Reference to nonexistent group in regex
1600 a(.)\g{4294967296} x c - Reference to nonexistent group in regex
1601 a(.)\g{4294967297} x c - Reference to nonexistent group in regex
1602 a(.)\g{4294967298} x c - Reference to nonexistent group in regex
1604 (.)\2147483648 b\o{214}7483648 ya $1 b \d not converted to native; \o{} is
1605 (.)\2147483649 b\o{214}7483649 ya $1 b \d not converted to native; \o{} is
1606 (.)\2147483650 b\o{214}7483650 ya $1 b \d not converted to native; \o{} is
1607 (.)\4294967296 b\o{42}94967296 ya $1 b \d not converted to native; \o{} is
1608 (.)\4294967297 b\o{42}94967297 ya $1 b \d not converted to native; \o{} is
1609 (.)\4294967298 b\o{42}94967298 ya $1 b \d not converted to native; \o{} is
1610 a(.)\2147483648 ab\o{214}7483648 ya $1 b \d not converted to native; \o{} is
1611 a(.)\2147483649 ab\o{214}7483649 ya $1 b \d not converted to native; \o{} is
1612 a(.)\2147483650 ab\o{214}7483650 ya $1 b \d not converted to native; \o{} is
1613 a(.)\4294967296 ab\o{42}94967296 ya $1 b \d not converted to native; \o{} is
1614 a(.)\4294967297 ab\o{42}94967297 ya $1 b \d not converted to native; \o{} is
1615 a(.)\4294967298 ab\o{42}94967298 ya $1 b \d not converted to native; \o{} is
1617 # The below was inserting a NULL into the character class.
1619 [\8\9] - sc $& Unrecognized escape \\8 in character class
1623 # Verify that reads 1-3 octal digits, and that \_ works in char class
1624 [\0] \000 Sy $& \000
1625 [\0] - sc - Need exactly 3 octal digits
1626 [\07] \007 Sy $& \007
1627 [\07] - sc - Need exactly 3 octal digits
1629 [\07] - sc - Need exactly 3 octal digits
1630 [\006] \006 y $& \006
1632 [\0005] \0005 y $& \000
1633 [\0005] 5\000 y $& 5
1637 (q1|.)*(q2|.)*(x(a|bc)*y){2,} xayxay y $& xayxay
1638 (q1|.)*(q2|.)*(x(a|bc)*y){2,3} xayxay y $& xayxay
1639 (q1|z)*(q2|z)*z{15}-.*?(x(a|bc)*y){2,3}Z zzzzzzzzzzzzzzzz-xayxayxayxayZ y $& zzzzzzzzzzzzzzzz-xayxayxayxayZ
1641 (?:(?:)foo|bar|zot|rt78356) foo y $& foo
1642 /\xe0\pL/i \xc0a y $& \xc0a
1645 (?{})[\x{100}] \x{100} y $& \x{100}
1648 ^m?(\S)(.*)\1$ aba y $1 a
1649 ^m?(\S)(.*)\1$ \tb\t n - -
1650 ^m?(\s)(.*)\1$ \tb\t y $1 \t
1651 ^m?(\s)(.*)\1$ aba n - -
1652 ^m?(\W)(.*)\1$ :b: y $1 :
1653 ^m?(\W)(.*)\1$ aba n - -
1654 ^m?(\w)(.*)\1$ aba y $1 a
1655 ^m?(\w)(.*)\1$ :b: n - -
1656 ^m?(\D)(.*)\1$ aba y $1 a
1657 ^m?(\D)(.*)\1$ 5b5 n - -
1658 ^m?(\d)(.*)\1$ 5b5 y $1 5
1659 ^m?(\d)(.*)\1$ aba n - -
1661 ^_?[^\W_0-9]\w\z \xAA\x{100} y $& \xAA\x{100} [perl #127537]
1663 # 17F is 'Long s'; This makes sure the a's in /aa can be separate
1664 /s/ai \x{17F} y $& \x{17F}
1665 /s/aia \x{17F} n - -
1667 /(?aia:s)/ \x{17F} n - -
1670 # Normally 1E9E generates a multi-char fold, but not in inverted class;
1671 # See [perl #89750]. This makes sure that the simple fold gets generated
1672 # in that case, to DF.
1673 /[^\x{1E9E}]/i \x{DF} Sn - -
1679 # \p{L_} was being misinterpreted as \p{L}. L_ matches cased letters, which
1680 # the ideograph below isn't, whereas it does match L
1681 /^\p{L_}/ \x{3400} n - -
1682 /^\p{L}/ \x{3400} y $& \x{3400}
1685 /[s\xDF]a/ui ssa Sy $& ssa
1686 /[s\xDF]a/ui sa y $& sa
1689 /^\R\x0A$/ \x0D\x0A n - -
1691 /ff/i \x{FB00}\x{FB01} y $& \x{FB00}
1692 /ff/i \x{FB01}\x{FB00} y $& \x{FB00}
1693 /fi/i \x{FB01}\x{FB00} y $& \x{FB01}
1694 /fi/i \x{FB00}\x{FB01} y $& \x{FB01}
1696 # Make sure we don't see code blocks where there aren't, and vice-versa
1697 (?#( (?{1+)a a y - -
1700 ab[(?{1\](?{2] ab2 y - -
1701 ab(?{"["})cd abcd y - -
1702 ab(??{"[x]"})cd abxcd y - -
1703 ab\[(??{1})c ab[1c y - -
1704 ab\\[(??{1;})]c ab\\;c y - -
1705 ab\\\[(??{1})c ab\\[1c y - -
1706 ab[c\](??{"]d abcd y - -
1707 ab[c\\](??{"[x]"})d ab\\xd y - -
1708 ab[c\\\](??{"x"})]{3}d ab\\](d y - -
1710 # These test that doesn't cut-off matching too soon in the string for
1712 /ffiffl/i abcdef\x{FB03}\x{FB04} y $& \x{FB03}\x{FB04}
1713 /\xdf\xdf/ui abcdefssss y $& ssss
1715 /st/i \x{DF}\x{FB05} y $& \x{FB05}
1716 /ssst/i \x{DF}\x{FB05} y $& \x{DF}\x{FB05}
1719 /[[:lower:]]/i \x{100} y $& \x{100}
1720 /[[:upper:]]/i \x{101} y $& \x{101}
1722 # Was matching 'ss' only and failing the entire match, not seeing the
1723 # alternative that would succeed
1724 /s\xDF/ui \xDFs y $& \xDFs
1725 /sst/ui s\N{LATIN SMALL LIGATURE ST} y $& s\N{LATIN SMALL LIGATURE ST}
1726 /sst/ui s\N{LATIN SMALL LIGATURE LONG S T} y $& s\N{LATIN SMALL LIGATURE LONG S T}
1728 # /i properties shouldn't match more than the property itself
1729 /[[:ascii:]]/i \N{KELVIN SIGN} n - -
1731 # [[:lower:]]/i and [[:upper:]]/i should match what \p{Lower} and \p{Upper} do.
1732 # which is \p{Cased}, not \p{Alpha},
1733 /[[:lower:]]/i \N{U+3400} n - -
1734 /[[:upper:]]/i \N{U+01BB} n - -
1737 [^\p{Alphabetic}] \x{100} n - -
1739 # [perl #111400]. Tests the first Y/N boundary above 255 for each of these.
1740 /[[:alnum:]]/ \x{2c1} y - -
1741 /[[:alnum:]]/ \x{2c2} n - -
1742 /[[:alpha:]]/ \x{2c1} y - -
1743 /[[:alpha:]]/ \x{2c2} n - -
1744 /[[:graph:]]/ \x{377} y - -
1745 /[[:graph:]]/ \x{378} n - -
1746 /[[:lower:]]/ \x{100} n - -
1747 /[[:lower:]]/ \x{101} y - -
1748 /[[:lower:]]/ \x{102} n - -
1749 /[[:print:]]/ \x{377} y - -
1750 /[[:print:]]/ \x{378} n - -
1751 /[[:punct:]]/ \x{37D} n - -
1752 /[[:punct:]]/ \x{37E} y - -
1753 /[[:punct:]]/ \x{388} n - -
1754 /[[:upper:]]/ \x{100} y - -
1755 /[[:upper:]]/ \x{101} n - -
1756 /[[:word:]]/ \x{2c1} y - -
1757 /[[:word:]]/ \x{2c2} n - -
1760 /syntax OK\s+\z/si t/bin/good.pl syntax OK\n y - -
1762 /^(.*?)\s*\|\s*(?:\/\s*|)'(.+)'$/ text|'sec' y <$1><$2> <text><sec>
1763 /^(foo|)bar$/ bar y <$&> <bar>
1764 /^(foo||baz)bar$/ bar y <$&> <bar>
1765 /^(foo||baz)bar$/ bazbar y <$1> <baz>
1766 /^(foo||baz)bar$/ foobar y <$1> <foo>
1768 /^(?:foo|)bar$/ bar y <$&> <bar>
1769 /^(?:foo||baz)bar$/ bar y <$&> <bar>
1770 /^(?:foo||baz)bar$/ bazbar y <$&> <bazbar>
1771 /^(?:foo||baz)bar$/ foobar y <$&> <foobar>
1773 /^(?i:foo|)bar$/ bar y <$&> <bar>
1774 /^(?i:foo||baz)bar$/ bar y <$&> <bar>
1775 /^(?i:foo||baz)bar$/ bazbar y <$&> <bazbar>
1776 /^(?i:foo||baz)bar$/ foobar y <$&> <foobar>
1778 # $^N, $+ on backtrackracking
1780 ^(.)(?:(..)|B)[CX] ABCDE y $^N-$+ A-A -
1782 ^(.)(?:BC(.)|B)[CX] ABCDE y $^N-$+ A-A -
1784 ^(.)(?:(.)+)*[BX] ABCDE y $^N-$+ A-A -
1786 ^(.)(BC)* ABCDE y $^N-$+ BC-BC -
1787 ^(.)(BC)*[BX] ABCDE y $^N-$+ A-A -
1789 ^(.)(B)*.[DX] ABCDE y $^N-$+ B-B -
1790 ^(.)(B)*.[CX] ABCDE y $^N-$+ A-A -
1792 # using 'return' in code blocks
1793 ^(A)(?{"xyz"})B$ AB y $1-$^R A-xyz -
1794 ^(A)(?{return "xyz"})B$ AB y $1-$^R A-xyz -
1795 ^(A)((??{"xyz"}))$ Axyz y $1-$2 A-xyz -
1796 ^(A)((??{return "xyz"}))$ Axyz y $1-$2 A-xyz -
1797 ^(A)((?(?{1})abc|xyz))$ Aabc y $1-$2 A-abc -
1798 ^(A)((?(?{0})abc|xyz))$ Axyz y $1-$2 A-xyz -
1799 ^(A)((?(?{return 1})abc|xyz))$ Aabc y $1-$2 A-abc -
1800 ^(A)((?(?{return 0})abc|xyz))$ Axyz y $1-$2 A-xyz -
1802 # using 'return' in code blocks with additional scopes to pop
1803 ^(A)(?{ { 1; return "xyz"} })B$ AB y $1-$^R A-xyz -
1804 ^(A)((??{ { 1; return "xyz" } }))$ Axyz y $1-$2 A-xyz -
1805 ^(A)((?(?{ { 1; return 1 } })abc|xyz))$ Aabc y $1-$2 A-abc -
1806 ^(A)((?(?{ { 1; return 0 } })abc|xyz))$ Axyz y $1-$2 A-xyz -
1808 # pattern modifier flags should propagate into returned (??{}) pattern
1811 /^(a)((??{"b"}))$/i AB y $1-$2 A-B -
1812 /^(A)((??{'B$'}))(\nC)$/m AB\nC y $1-$2-$3 A-B-\nC -
1813 /^(A)((??{'.'}))(B)$/s A\nB y $1-$2-$3 A-\n-B -
1814 /^(A) ((??{' .'}))(B)$/x A B y $1-$2-$3 A- -B -
1815 /^((??{'\d'}))$/a \x{660} n - -
1816 /^(??{"s"})$/i \x{17F} y - -
1817 /^(??{"s"})$/ia \x{17F} y - -
1818 /^(??{"s"})$/iaa \x{17F} n - -
1819 /^(??{'\w'})$/u \x{AA} y - -
1821 # #113670 ensure any captures to the right are invalidated when CURLY
1822 # and CURLYM backtrack
1824 ^(?:(X)?(\d)|(X)?(\d\d))$ X12 y $1-$2-$3-$4 --X-12
1825 ^(?:(XX)?(\d)|(XX)?(\d\d))$ XX12 y $1-$2-$3-$4 --XX-12
1828 \A(?>\[(?:(?:)(?:R){1}|T|V?|A)\])\z [A] y $& [A]
1830 /( [^z] $ [^z]+)/xm aa\nbb\ncc\n y $1 a\nbb\ncc\n
1833 /[\h]/ \x{A0} y $& \xA0
1834 /[\H]/ \x{BF} y $& \xBF
1836 /[\H]/ \x{A1} y $& \xA1
1841 # /a has no effect on properties
1842 (?a:\p{Any}) \x{100} y $& \x{100}
1843 (?aa:\p{Any}) \x{100} y $& \x{100}
1845 \w \x{200C} y $& \x{200C}
1847 \w \x{200D} y $& \x{200D}
1850 /^(?d:\xdf|_)*_/i \x{17f}\x{17f}_ y $& \x{17f}\x{17f}_
1852 # check that @-, @+ count chars, not bytes; especially if beginning of
1853 # string is not copied
1855 (\x{100}) \x{2000}\x{2000}\x{2000}\x{100} y $-[0]:$-[1]:$+[0]:$+[1] 3:3:4:4
1857 ^\R{2}$ \r\n\r\n y $& \r\n\r\n
1859 /^\D{11}/a \x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF} n - -
1860 /^\S{11}/a \x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF} n - -
1861 /^\W{11}/a \x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF}\x{10FFFF} n - -
1864 \Vn \xFFn/ y $& \xFFn
1866 # These mostly exercise various paths in the optimizer
1867 /(?l:a?\w)/ b y $& b
1868 /(?l:a?\D)/ b y $& b
1869 ^_?[^\S_0-9]\w*\z \t y $& \t
1870 m?^xy\?$? xy? y $& xy?
1871 a?\X a\x{100} y $& a\x{100}
1879 # check we have the right utf8ness as we switch back and forth between
1881 ^(\x{100}|a)(??{ qr/.?\xF7/d}) a_\xF7 y - -
1884 /(a|(bc)){0,0}?xyz/ xyz y $& xyz
1885 /( a | ( bc ) ) {0,0} ? xyz/x xyz y $& xyz
1887 /(a|(bc)){0,0}+xyz/ xyz y $& xyz
1888 /( a | ( bc ) ) {0,0} + xyz/x xyz y $& xyz
1890 (A(*PRUNE)B|A(*PRUNE)C) AC n - -
1891 (A(*PRUNE)B|A(*PRUNE)D|A(*PRUNE)C) AC n - -
1892 (A(*PRUNE)B|A(*PRUNE)C|A(*PRUNE)D) AC n - -
1893 ((A(*PRUNE)B|A(*PRUNE)C)) AC n - -
1894 ((A(*PRUNE)B|A(*PRUNE)D|A(*PRUNE)C)) AC n - -
1895 ((A(*PRUNE)B|A(*PRUNE)C|A(*PRUNE)D)) AC n - -
1897 A+?(*THEN)BC AAABC y $& ABC
1898 A+?(*PRUNE)BC AAABC y $& ABC
1899 A+(*THEN)BC AAABC y $& AAABC
1900 A+(*PRUNE)BC AAABC y $& AAABC
1901 A+?(*THEN)BC(?{}) AAABC y $& ABC
1902 A+?(*PRUNE)BC(?{}) AAABC y $& ABC
1903 A+(*THEN)BC(?{}) AAABC y $& AAABC
1904 A+(*PRUNE)BC(?{}) AAABC y $& AAABC
1909 /[#](?{})/x a#b y $& #
1910 /[#](??{'b'})/x a#b y $& #b
1911 /(?#)(?{})b/ a#b y $& b
1912 /(?#)(??{'b'})/ a#b y $& b
1913 /[(?#](?{})b/ a#b y $& #b
1914 /[(?#](??{'b'})/ a#b y $& #b
1915 /(?#)(?{})b/x a#b y $& b
1916 /(?#)(??{'b'})/x a#b y $& b
1918 # RT #119069: PCRE regression test: no segfault
1919 ^(?=(a)){0}b(?1) back y $& ba
1920 # RT #119071: PCRE regression test: No warning of infinite regression
1921 (?:(a(*SKIP)b)){0}(?:(?1)|ac) x n - -
1922 # RT #119073: PCRE regression test: {0} => NOTHING optimization
1923 (?1)(?:(b)){0} b y $& b
1926 /\N* /x ab y $& ab # Under /x was ignoring the '*'
1927 /\N (?#comment) * /x ab y $& ab # likewise
1929 # RT #120600: Variable length lookbehind is not variable
1930 (?<W>a)(?<BB>(?=(?&W))(?<=(?&W)))(?&BB) aa y $& a # test repeated recursive patterns
1932 # This group is from RT #121144
1933 /^\S+=/d \x{3a3}=\x{3a0} y $& \x{3a3}=
1934 /^\S+=/u \x{3a3}=\x{3a0} y $& \x{3a3}=
1936 # utf8 cache length panics
1937 \x{100}[xy]\x{100}{2} \x{100}y\x{100}\x{100} y $& \x{100}y\x{100}\x{100}
1938 \x{100}a{2,3} \x{100}aaa y $& \x{100}aaa
1939 ^x?abc?de abcde y $& abcde
1941 '(?-m:^abc)'m abcde y $& abc
1942 '(?-m:^abc)'m x\nabcde n - -
1944 # RT #121248 - segfault
1945 /^[+]([^(]+)$/mi li n - -
1947 # RT #121299 - Inconsistent behavior with backreferences nested inside subpattern references
1948 /(.)((o)\1)(?2)/ fofof y $2 of
1949 /(.)(?2)((\1)(?4)(\1))/ fffffff y $1 f
1950 /(.)(?2)((.)(?4)(\1))/ foffoff y $2 off
1951 /^(.\2?)(.)(?1)$/ abcb y $2 b
1952 /^(.\1?)(?1)$/ aba y $1 a
1953 /^ (\3(?2)\3)? ((.)) (?1) $/x aaba y $2 a
1954 /^ (a|\3(?1)\2|(?2)) ((b|c)(?4)?) (?1) (d(?1)) $/x abbcdcabbda y $1-$2-$3-$4 a-b-b-da
1956 # RT #121321 - perl 5.19.10 infinite loops on backrefs > number of capture buffers (npar) where npar>9
1957 /(a)\2/ a\2 c - Reference to nonexistent group in regex
1958 /(a)(b)\3/ ab\3 c - Reference to nonexistent group in regex
1959 /(a)(b)(c)\4/ abc\4 c - Reference to nonexistent group in regex
1960 /(a)(b)(c)(d)\5/ abcd\5 c - Reference to nonexistent group in regex
1961 /(a)(b)(c)(d)(e)\6/ abcde\6 c - Reference to nonexistent group in regex
1962 /(a)(b)(c)(d)(e)(f)\7/ abcdef\7 c - Reference to nonexistent group in regex
1963 /(a)(b)(c)(d)(e)(f)(g)(h)(i)\10/ abcdefghi\10 y $& abcdefghi\10
1964 /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)\11/ abcdefghij\11 y $& abcdefghij\11
1965 /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12/ abcdefghijk\12 y $& abcdefghijk\12
1966 /(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)\12\13\14/ abcdefghijk\12\13\14 y $& abcdefghijk\12\13\14
1969 [bcd].{2,3}aaaa XbXaaaaa y - -
1970 [bcd].{2,3}aaaa Xb\x{100}aaaaa y - -
1971 '\Awibble\z'm wibble y - -
1972 /(alias|status)es$/i Statuses y $1 Status # [perl #121778]
1973 /( (?&solution) | % ) \Z (?(DEFINE) (?<solution>7\%\ solution) )/x 7% solution y $1 7% solution # [perl #122890]
1974 (.)(?{$~=$^N}) \x{100} y $~ \x{100} # [perl #123135]
1976 /[a-z]/i \N{KELVIN SIGN} y $& \N{KELVIN SIGN}
1977 /[A-Z]/ia \N{KELVIN SIGN} y $& \N{KELVIN SIGN}
1978 /[A-Z]/iaa \N{KELVIN SIGN} n - -
1979 /[A-Z]/i \N{LATIN SMALL LETTER LONG S} y $& \N{LATIN SMALL LETTER LONG S}
1981 # RT #123840: these used to hang in re_intuit_start
1982 /w\zxy?\z/i \x{100}a\x{80}a n - -
1983 /w\z\R\z/i \x{100}a\x{80}a n - -
1985 /(a+){1}+a/ aaa n - - # [perl #125825]
1987 ^((?(?=x)xb|ya)z) xbz y $1 xbz
1988 ^((?(?=x)xb|ya)z) yaz y $1 yaz
1989 ^((?(?!y)xb|ya)z) xbz y $1 xbz
1990 ^((?(?!y)xb|ya)z) yaz y $1 yaz
1991 ^((?(?!)xb|ya)z) xbz n - -
1992 ^((?(?!)xb|ya)z) yaz y $1 yaz # [perl-126222]
1994 foo(*ACCEPT:foo) foo y $::REGMARK foo
1995 (foo(*ACCEPT:foo)) foo y $::REGMARK foo
1996 A(*FAIL:foo)[BC] A n $::REGERROR foo
1998 \N(?#comment){SPACE} A c - Missing braces on \\N{}
1999 ab(?#Comment){2}c abbc y $& abbc
2000 \p A A c - Character following \\p must be '{' or a single-character Unicode property name # [perl #126187
2001 \P:A A c - Character following \\P must be '{' or a single-character Unicode property name
2002 \p^ A c - Character following \\p must be '{' or a single-character Unicode property name
2003 \PU A c - Can't find Unicode property definition \"U\"
2005 (?i - c - Sequence (?... not terminated
2006 (?a-x - c - Sequence (?... not terminated
2007 .{1}?? - c - Nested quantifiers
2008 .{1}?+ - c - Nested quantifiers
2009 (?:.||)(?|)000000000@ 000000000@ y $& 000000000@ # [perl #126405]
2010 aa$|a(?R)a|a aaa y $& aaa # [perl 128420] recursive matches
2011 (?:\1|a)([bcd])\1(?:(?R)|e)\1 abbaccaddedcb y $& abbaccaddedcb # [perl 128420] recursive match with backreferences
2012 AB\s+\x{100} AB \x{100}X y - -
2013 \b\z0*\x{100} .\x{100} n - - # [perl #129350] crashed in intuit_start
2014 (.*?(a(a)|i(i))n) riiaan y $2-$3-$4-$1 aa-a--riiaan # Jump trie capture buffer issue [perl #129897]
2015 (^(?:(\d)x)?\d$) 1 y [$1-$2] [1-] # make sure that we reset capture buffers properly (from regtry)
2016 (X{2,}[-X]{1,4}){3,}X{2,} XXX-XXX-XXX-- n - - # [perl #130307]
2018 /[a b]/x \N{SPACE} yS $& # Note a space char here
2019 /[a b]/xx \N{SPACE} n - -
2020 /[a\ b]/xx \N{SPACE} y $& # Note a space char here
2021 /[ ^ a b ]/xx a n - -
2022 /[ ^ a b ]/xx b n - -
2023 /[ ^ a b ]/xx A y $& A
2024 /(?x:[a b])/xx \N{SPACE} yS $& # Note a space char here
2025 /(?xx:[a b])/x \N{SPACE} n - -
2026 /(?x)[a b]/xx \N{SPACE} yS $& # Note a space char here
2027 /(?xx)[a b]/x \N{SPACE} n - -
2028 /(?-x:[a b])/xx \N{SPACE} yS $& # Note a space char here
2029 ^a?bcd\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff ABCDEFGHIJKLMNOPQRSTUVWXYZ n - - # [perl #132187] for valgrind's benefit
2030 ^Xaaa?Xaa aaa\x{400000} n - - # [perl #132552] for valgrind's benefit
2031 ([[:ascii:]]+)\x81 a\x80b\x81 y $& b\x81
2032 [[:^ascii:]]+b \x80a\x81b y $& \x81b
2033 [[:^ascii:]]+b \x80a\x81\x{100}b y $& \x81\x{100}b
2034 /\A\x80+\z/ \x80\x80\x80\x80\x80\x80\x80\x80\x80 y $& \x80\x80\x80\x80\x80\x80\x80\x80\x80 # [perl #132900]
2035 ^(\d+)*?4X$ 1234X y $1 123 # perl #131648
2036 (?il)\x{100}|\x{100}|\x{FE} \xFE y $& \xFE
2037 \A([\x00-\x7F]+)(.*)\z \007\011\012 y $& \007\011\012 # [perl #133311]
2038 (?:(?^:(?{1}))[^0-9]) : y $& : # [perl #133348]
2039 /[\xdf-/i - ca - Invalid [] range # [perl #133620] likely only fails under valgrind
2040 /[\x59-/i - ce - Unmatched [ # [perl #133620] likely only fails under valgrind
2041 /\1a(b)/ bab n - - # This compiles but fails to match as \1 is not set when parsed
2042 /(?iu)(?<=\xdf)hbase/ sshbase y $& hbase
2043 /\x{30c3}?[\x{30a2}\x{30a4}\x{30a6}\x{30a8}\x{30aa}-\x{30e2}\x{30e4}\x{30e6}\x{30e8}-\x{30f4}](?:[\x{30e3}\x{30e5}\x{30e7}\x{30a1}\x{30a3}\x{30a5}\x{30a7}\x{30a9}])?\x{30fc}?\x{30f3}?/ \x{30de}\x{30fc}\x{30af}\x{30b5}\x{30fc}\x{30d3}\x{30b9} y $& \x{30de}\x{30fc} # part of [perl #133942
2044 /[\x{3041}-\x{3093}]+/ \x{6f22}\x{5b57}\x{3001}\x{30ab}\x{30bf}\x{30ab}\x{30ca}\x{3001}\x{3072}\x{3089}\x{304c}\x{306a}\x{306e}\x{5165}\x{3063}\x{305f}String y $& \x{3072}\x{3089}\x{304c}\x{306a}\x{306e} # [perl #133978]
2045 /(?:0)|(?:)(?:[1-9])/ q0 y $& 0 # [https://github.com/Perl/perl5/issues/17372]
2046 /\x{_1_0000}/ \x{10000} y $& \x{10000} # khw doesn't like leading underscores, but don't rmv them accidentally
2047 /\o{_1_0000}/ \o{10000} y $& \o{10000}
2048 /(?iaax:A? \K +)/ African_Feh y $&
2049 /(?iaa:A?\K+)/ African_Feh y $&
2050 /(?iaa:A?\K*)/ African_Feh y $&
2051 ^((\w|<(\s)*(?1)(?3)*>)(?:(?3)*\+(?3)*(?2))*)(?3)*\+ a + b + <c + d> y $1 a + b # [GH #18096]
2052 ^((\w|<(\s)*(?1)(?3)*>)(?:(?3)*\+(?3)*(?2))*)(?3)*\+ a + <b> + c y $1 a + <b> # [GH #18096]
2053 /0?\xdf\xdf\xdf\xdfs\o{500}|/i \o{600} y $& # [GH #18451]
2054 /^a{,2}$/ y # 0 or more
2056 /^a{,2}$/ aa y $& aa
2061 /\p{Latin}{ , 2 }/ a y $& a
2063 /(?=foo)(?<=a|ab)/ abfoo y - - - # Positive variable length lookbehind GH #19168
2064 /(?=foo)(?<=a|ab)/ adfoo n - - - # Positive variable length lookbehind GH #19168
2065 /(?=foo)(?<=a|ab)/ cafoo y - - - # Positive variable length lookbehind GH #19168
2066 /(?=foo)(?<!a|ab)/ abfoo n - - - # Negative variable length lookbehind GH #19168
2067 /(?=foo)(?<!a|ab)/ adfoo y - - - # Negative variable length lookbehind GH #19168
2068 /(?=foo)(?<!a|ab)/ cafoo n - - - # Negative variable length lookbehind GH #19168
2069 /(?=foo)(?<=c|a[a-d](?<!b))/ aafoo y - - - # Variable length lookbehind GH #19168
2070 /(?=foo)(?<=c|a[a-d](?<!b))/ abfoo n - - - # Variable length lookbehind GH #19168
2071 /(?<!)/ abfoo n - - - # OPFAIL
2072 /(?!)/ abfoo n - - - # OPFAIL
2073 /(.*b)(?<=)/ abfoo y $1 ab - # NOTHING
2074 /(.*b)(?=)/ abfoo y $1 ab - # NOTHING
2075 /(?=(\w))(?<!^)/ 1234 y $1 2 - # Lookahead with zero width negative lookbehind
2076 /(\w)(?<!^)/ 1234 y $1 1 - # Negative lookbehind with zero width assertion
2077 /(?=foo)(?<=(a??))/ afoo y $1 a - # Postive lookbehind with minmod (leftmost longest)
2078 /(?=foo)(?<=(a{0,2}))/ aafoo y $1 aa - # Positive lookbehind with min/max (leftmost longest)
2079 /(?=foo)(?<=(|a|aa))/ aafoo y $1 aa - # Positive lookbehind with alternation (leftmost longest)
2080 (?<=(?<!yz)b)c aabcdef y $& c - # Nested lookbehind without early bailout
2081 (?<=(?<!yz)b)c abcdef y $& c - # Nested lookbehind with early bailout
2082 /(A(A|B(*ACCEPT)|C)+D)(E)/ ABDE y $1-$2 AB-B - # ACCEPT with CurlyM optimization GH #19484
2083 /(A(A|B(*ACCEPT)|C)+D)(E)/ ABDE y $& AB - # ACCEPT with CurlyM optimization GH #19484
2084 /(A(A|B(*ACCEPT)|C)+D)(E)/ ABCDE y $1-$2 AB-B - # ACCEPT with CurlyM optimization GH #19484
2085 /(A(A|B(*ACCEPT)|C)+D)(E)/ ABCDE y $& AB - # ACCEPT with CurlyM optimization GH #19484
2086 /(A(A|B(*ACCEPT)|C)D)(E)/ ABDE y $1-$2 AB-B - # ACCEPT without CurlyM optimization
2087 /(A(A|B(*ACCEPT)|C)D)(E)/ ABDE y $& AB - # ACCEPT without CurlyM optimization
2088 /(A(A|B(*ACCEPT)|C)D)(E)/ ABCDE y $1-$2 AB-B - # ACCEPT without CurlyM optimization
2089 /(A(A|B(*ACCEPT)|C)D)(E)/ ABCDE y $& AB - # ACCEPT without CurlyM optimization
2090 /(A(A|B(*ACCEPT)|(?>C))D)(E)/ ABCDE y $1-$2 AB-B - # ACCEPT with SUSPEND in pattern
2091 /(A(A|B(*ACCEPT)|(?>C))D)(E)/ ABCDE y $& AB - # ACCEPT with SUSPEND in pattern
2092 /(A(A|B(*ACCEPT)|C(?<=C))D)(E)/ ABCDE y $1-$2 AB-B - # ACCEPT with IFMATCH in pattern
2093 /(A(A|B(*ACCEPT)|C(?<=C))D)(E)/ ABCDE y $& AB - # ACCEPT with IFMATCH in pattern
2094 /(A(A|B(*ACCEPT)|C(?<!Q))D)(E)/ ABCDE y $1-$2 AB-B - # ACCEPT with UNLESSM in pattern
2095 /(A(A|B(*ACCEPT)|C(?<!Q))D)(E)/ ABCDE y $& AB - # ACCEPT with UNLESSM in pattern
2096 /(?(DEFINE)(?<a>(?:[ab]|[cd](*ACCEPT)|[ef])g))(?&a)(?&a)/ cc y $& cc - # ACCEPT in GOSUB
2097 /(?(DEFINE)(?<a>(?:[ab]|[cd](*ACCEPT)|[ef])g))(?&a)(?&a)/ agag y $& agag - # (not) ACCEPT in GOSUB
2098 /(?(DEFINE)(?<a>(?:[ab]|[cd](*ACCEPT)|[ef])g))(?&a)(?&a)/ agcq y $& agc - # (not) ACCEPT in GOSUB
2099 /(?<=([cd](*ACCEPT)|x)gggg)blrph/ cblrph y $&-$1 blrph-c - # ACCEPT in IFMATCH var pos lookbehind
2100 /(?<=([cd](*ACCEPT)|x)gggg)blrph/ dblrph y $&-$1 blrph-d - # ACCEPT in IFMATCH var pos lookbehind
2101 /(?<=([cd](*ACCEPT)|x)gggg)blrph/ xggggblrph y $&-$1 blrph-x - # (not) ACCEPT in IFMATCH var pos lb
2102 /(?<!([cd](*ACCEPT)|x)gggg)blrph/ cblrph n - - - # ACCEPT in UNLESSM var neg lookbehind
2103 /(?<!([cd](*ACCEPT)|x)gggg)blrph/ dblrph n - - - # ACCEPT in UNLESSM var neg lookbehind
2104 /(?<!([cd](*ACCEPT)|x)gggg)blrph/ xggggblrph n - - - # (not) ACCEPT in UNLESSM var neg lb
2105 /(?:a?(*ACCEPT))b/ x y >$&< >< - # Test minlen for ACCEPT
2106 /(?:a?(*ACCEPT))b/ a y >$&< >a< - # Test minlen for ACCEPT
2107 /(?:a?(*ACCEPT))b/ b y >$&< >< - # Test minlen for ACCEPT
2108 /a?(*ACCEPT)b/ x y >$&< >< - # Test minlen for ACCEPT
2109 /a?(*ACCEPT)b/ a y >$&< >a< - # Test minlen for ACCEPT
2110 /a?(*ACCEPT)b/ b y >$&< >< - # Test minlen for ACCEPT
2111 / (A (*ACCEPT) | BC){2} D{0,4}/x A y $1 A - # ACCEPT optimizer check
2113 \p{nv=-0} \x{660} y $& \x{660}
2114 (?:a|xx){0,4}?b aaaaab y $& aaaab # Bug is GH #8369; test is GH #19781
2115 (?|(?<a>a)|(?<b>b))\1(?&a)(?&b) bbab y $& bbab # GH 20653
2116 (?|(?<a>a)|(?<b>b))(?(<a>)x|y)\1 byb y $& byb # GH 20653
2117 (?|(?<a>a)|(?<b>b))(?(<a>)x|y)\1 bxb n - - # GH 20653
2118 (?|(?<a>a)|(?<b>b))(?(<a>)x|y)\1 axa y $& axa # GH 20653
2119 (?|(?<a>a)|(?<b>b))(?(<a>)x|y)\1 aya n - - # GH 20653
2120 (?|(?<a>a)|(?<b>b)) a y $1-$+{a}-$+{b} a-a- # GH 20653
2121 (?|(?<a>a)|(?<b>b)) b y $1-$+{a}-$+{b} b--b # GH 20653
2122 (?<pre>pre)(?|(?<a>a)(?<b>b)(?<c>c)|(?<d>d)(?<e>e)|(?<f>f))(?<post>post) preabcpost y $2-$3-$4 a-b-c # GH 20653
2123 (?<pre>pre)(?|(?<a>a)(?<b>b)(?<c>c)|(?<d>d)(?<e>e)|(?<f>f))(?<post>post) predepost y $2-$3-$4 d-e- # GH 20653
2124 (?<pre>pre)(?|(?<a>a)(?<b>b)(?<c>c)|(?<d>d)(?<e>e)|(?<f>f))(?<post>post) prefpost y $2-$3-$4 f-- # GH 20653
2125 (?<pre>pre)(?|(?<a>a)(?<b>b)(?<c>c)|(?<d>d)(?<e>e)|(?<f>f))(?<post>post) preabcpost y $+{a}-$+{b}-$+{c} a-b-c # GH 20653
2126 ((?|(?<a>a)(?-1)|(?<b>b)(?-1)|(?<c>c)(?-1))) aa y $1 aa # GH 20653
2127 ((?|(?<a>a)(?-1)|(?<b>b)(?-1)|(?<c>c)(?-1))) bb y $1 bb # GH 20653
2128 ((?|(?<a>a)(?-1)|(?<b>b)(?-1)|(?<c>c)(?-1))) cc y $1 cc # GH 20653
2130 (?|(a)|(b)) b y $+ b # GH 20912
2131 (?|(a)(?{$::plus_got=$+})|(b)(?{$::plus_got=$+})) b y $::plus_got b # GH 20912
2132 (?|(a)|(b)) b y $^N b # GH 20912
2133 (?|(a)(?{$::caret_n_got=$^N})|(b)(?{$::caret_n_got=$^N})) b y $::caret_n_got b # GH 20912
2134 (?|(a)|(b)) a y $+ a # GH 20912
2135 (?|(a)(?{$::plus_got=$+})|(b)(?{$::plus_got=$+})) a y $::plus_got a # GH 20912
2136 (?|(a)|(b)) a y $^N a # GH 20912
2137 (?|(a)(?{$::caret_n_got=$^N})|(b)(?{$::caret_n_got=$^N})) a y $::caret_n_got a # GH 20912
2139 /(([ab]+)|([cd]+)|([ef]+))+/ ace y $1-$2-$3-$4=$& e---e=ace
2140 /(([ab]+)|([cd]+)|([ef]+))+/ aceb Ty $1-$2-$3-$4=$& b-b--=aceb
2141 /(([ab]+)|([cd]+)|([ef]+))+/ acebd Ty $1-$2-$3-$4=$& d--d-=acebd
2142 /(([ab]+)|([cd]+)|([ef]+))+/ acebdf y $1-$2-$3-$4=$& f---f=acebdf
2143 /((a)(b)(c)|(a)(b)|(a))+/ abcaba y $1+$2-$3-$4+$5-$6+$7=$& a+--+-+a=abcaba
2145 /^(xa|=?\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2146 /^(xa|(?:=|zzzz|)\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2147 /^(xa|(?:=|zzzz)?\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2148 /^(xa|[Z=]?\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2149 /^(xa|([Z=])?\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2150 /^(xa|([Z=]|zzzz)?\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2151 /^(xa|(=|)\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2152 /^(xa|(?:[Z=])?\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2153 /^(xa|(?:[Z=]|zzzz)?\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2154 /^(xa|(?:=|)\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2155 /^(xa|=*\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2156 /^(xa|[Z=]*\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2157 /^(xa|(?:[Z=])*\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2158 /^(xa|(?:[Z=]|zzzz)*\1a){2}$/ xa=xaaa n - - # GH 10073 - RT72020
2160 # Keep these lines at the end of the file
2161 # pat string y/n/etc expr expected-expr skip-reason comment
2162 # vim: softtabstop=0 noexpandtab