1 # This stops me getting screenfulls of syntax errors every time I accidentally
2 # run this file via a shell glob. Format of this file is given in regexp.t
3 # Can't use \N{VALID NAME TEST} here because need 'use charnames'; but can use
27 ab*bc abbbbc y $& abbbbc
28 ab*bc abbbbc y $-[0] 0
29 ab*bc abbbbc y $+[0] 6
33 .{3,4} abbbbc y $& abbb
34 .{3,4} abbbbc y $-[0] 0
35 .{3,4} abbbbc y $+[0] 4
37 \N{1} abbbbc y $-[0] 0
38 \N{1} abbbbc y $+[0] 1
39 /\N {1}/x abbbbc y $& a
40 /\N {1}/x abbbbc y $-[0] 0
41 /\N {1}/x abbbbc y $+[0] 1
42 \N{3,4} abbbbc y $& abbb
43 \N{3,4} abbbbc y $-[0] 0
44 \N{3,4} abbbbc y $+[0] 4
45 /\N {3,4}/x abbbbc y $& abbb
46 /\N {3,4}/x abbbbc y $-[0] 0
47 /\N {3,4}/x abbbbc y $+[0] 4
48 ab{0,}bc abbbbc y $& abbbbc
49 ab{0,}bc abbbbc y $-[0] 0
50 ab{0,}bc abbbbc y $+[0] 6
57 ab+bc abbbbc y $& abbbbc
58 ab+bc abbbbc y $-[0] 0
59 ab+bc abbbbc y $+[0] 6
60 ab{1,}bc abbbbc y $& abbbbc
61 ab{1,}bc abbbbc y $-[0] 0
62 ab{1,}bc abbbbc y $+[0] 6
63 ab{1,3}bc abbbbc y $& abbbbc
64 ab{1,3}bc abbbbc y $-[0] 0
65 ab{1,3}bc abbbbc y $+[0] 6
66 ab{3,4}bc abbbbc y $& abbbbc
67 ab{3,4}bc abbbbc y $-[0] 0
68 ab{3,4}bc abbbbc y $+[0] 6
69 ab{4,5}bc abbbbc n - -
72 ab{0,1}bc abc y $& abc
89 a\N*c axyzc y $& axyzc
90 /a\N *c/x axyzc y $& axyzc
97 [a][b][d] abd y $& abd
100 (?i:.[b].) abd y $& abd
101 (?i:\N[b]\N) abd y $& abd
107 a[b-a] - c - Invalid [] range \"b-a\"
108 a[]b - c - Unmatched [
164 *a - c - Quantifier follows nothing
165 (|*)b - c - Quantifier follows nothing
166 (*)b - c - Unknown verb
168 a\ - c - Search pattern not terminated
169 a\(b a(b y $&-$1 a(b-
173 abc) - c - Unmatched )
174 (abc - c - Unmatched (
175 ((a)) abc y $&-$1-$2 a-a-a
176 ((a)) abc y $-[0]-$-[1]-$-[2] 0-0-0
177 ((a)) abc y $+[0]-$+[1]-$+[2] 1-1-1
180 (a)b(c) abc y $&-$1-$2 abc-a-c
181 (a)b(c) abc y $-[0]-$-[1]-$-[2] 0-0-2
182 (a)b(c) abc y $+[0]-$+[1]-$+[2] 3-1-3
183 a+b+c aabbabc y $& abc
184 a{1,}b{1,}c aabbabc y $& abc
185 a** - c - Nested quantifiers
186 a.+?c abcabc y $& abc
187 (a+|b)* ab y $&-$1 ab-b
192 (a+|b){0,} ab y $&-$1 ab-b
193 (a+|b)+ ab y $&-$1 ab-b
194 (a+|b){1,} ab y $&-$1 ab-b
195 (a+|b)? ab y $&-$1 a-a
196 (a+|b){0,1} ab y $&-$1 a-a
201 ([abc])*d abbbcd y $&-$1 abbbcd-c
202 ([abc])*bcd abcd y $&-$1 abcd-a
204 (a|b|c|d|e)f ef y $&-$1 ef-e
205 (a|b|c|d|e)f ef y $-[0] 0
206 (a|b|c|d|e)f ef y $+[0] 2
207 (a|b|c|d|e)f ef y $-[1] 0
208 (a|b|c|d|e)f ef y $+[1] 1
209 abcd*efg abcdefg y $& abcdefg
210 ab* xabyabbbz y $& ab
212 (ab|cd)e abcde y $&-$1 cde-cd
213 [abhgefdc]ij hij y $& hij
214 ^(ab|cd)e abcde n x$1y xy
215 (abc|)ef abcdef y $&-$1 ef-
216 (a|b)c*d abcd y $&-$1 bcd-b
217 (ab|ab*)bc abc y $&-$1 abc-a
218 a([bc]*)c* abc y $&-$1 abc-bc
219 a([bc]*)(c*d) abcd y $&-$1-$2 abcd-bc-d
220 a([bc]*)(c*d) abcd y $-[0] 0
221 a([bc]*)(c*d) abcd y $+[0] 4
222 a([bc]*)(c*d) abcd y $-[1] 1
223 a([bc]*)(c*d) abcd y $+[1] 3
224 a([bc]*)(c*d) abcd y $-[2] 3
225 a([bc]*)(c*d) abcd y $+[2] 4
226 a([bc]+)(c*d) abcd y $&-$1-$2 abcd-bc-d
227 a([bc]*)(c+d) abcd y $&-$1-$2 abcd-b-cd
228 a([bc]*)(c+d) abcd y $-[0] 0
229 a([bc]*)(c+d) abcd y $+[0] 4
230 a([bc]*)(c+d) abcd y $-[1] 1
231 a([bc]*)(c+d) abcd y $+[1] 2
232 a([bc]*)(c+d) abcd y $-[2] 2
233 a([bc]*)(c+d) abcd y $+[2] 4
234 a[bcd]*dcdcde adcdcde y $& adcdcde
235 a[bcd]+dcdcde adcdcde n - -
236 (ab|a)b*c abc y $&-$1 abc-ab
237 (ab|a)b*c abc y $-[0] 0
238 (ab|a)b*c abc y $+[0] 3
239 (ab|a)b*c abc y $-[1] 0
240 (ab|a)b*c abc y $+[1] 2
241 ((a)(b)c)(d) abcd y $1-$2-$3-$4 abc-a-b-d
242 ((a)(b)c)(d) abcd y $-[0] 0
243 ((a)(b)c)(d) abcd y $+[0] 4
244 ((a)(b)c)(d) abcd y $-[1] 0
245 ((a)(b)c)(d) abcd y $+[1] 3
246 ((a)(b)c)(d) abcd y $-[2] 0
247 ((a)(b)c)(d) abcd y $+[2] 1
248 ((a)(b)c)(d) abcd y $-[3] 1
249 ((a)(b)c)(d) abcd y $+[3] 2
250 ((a)(b)c)(d) abcd y $-[4] 3
251 ((a)(b)c)(d) abcd y $+[4] 4
252 [a-zA-Z_][a-zA-Z0-9_]* alpha y $& alpha
253 ^a(bc+|b[eh])g|.h$ abh y $&-$1 bh-
254 (bc+d$|ef*g.|h?i(j|k)) effgz y $&-$1-$2 effgz-effgz-
255 (bc+d$|ef*g.|h?i(j|k)) ij y $&-$1-$2 ij-ij-j
256 (bc+d$|ef*g.|h?i(j|k)) effg n - -
257 (bc+d$|ef*g.|h?i(j|k)) bcdd n - -
258 (bc+d$|ef*g.|h?i(j|k)) reffgz y $&-$1-$2 effgz-effgz-
259 ((((((((((a)))))))))) a y $10 a
260 ((((((((((a)))))))))) a y $-[0] 0
261 ((((((((((a)))))))))) a y $+[0] 1
262 ((((((((((a)))))))))) a y $-[10] 0
263 ((((((((((a)))))))))) a y $+[10] 1
264 ((((((((((a))))))))))\10 aa y $& aa
265 ((((((((((a))))))))))${bang} aa n - -
266 ((((((((((a))))))))))${bang} a! y $& a!
267 (((((((((a))))))))) a y $& a
268 multiple words of text uh-uh n - -
269 multiple words multiple words, yeah y $& multiple words
270 (.*)c(.*) abcde y $&-$1-$2 abcde-ab-de
271 \((.*), (.*)\) (a, b) y ($2, $1) (b, a)
273 abcd abcd y $&-\$&-\\$& abcd-\$&-\\abcd
274 a(bc)d abcd y $1-\$1-\\$1 bc-\$1-\\bc
276 (abc)\1 abcabc y $1 abc
277 ([a-c]*)\1 abcabc y $1 abc
278 \1 - c - Reference to nonexistent group
279 \2 - c - Reference to nonexistent group
280 \g1 - c - Reference to nonexistent group
281 \g-1 - c - Reference to nonexistent or unclosed group
282 \g{1} - c - Reference to nonexistent group
283 \g{-1} - c - Reference to nonexistent or unclosed group
284 \g0 - c - Reference to invalid group 0
285 \g-0 - c - Reference to invalid group 0
286 \g{0} - c - Reference to invalid group 0
287 \g{-0} - c - Reference to invalid group 0
289 (a)|\1 x n - Reference to group in different branch
290 (?:(b)?a)\1 a n - Reference to group that did not match
291 (a)|\2 - c - Reference to nonexistent group
292 (([a-c])b*?\2)* ababbbcbc y $&-$1-$2 ababb-bb-b
293 (([a-c])b*?\2){3} ababbbcbc y $&-$1-$2 ababbbcbc-cbc-c
294 ((\3|b)\2(a)x)+ aaxabxbaxbbx n - -
295 ((\3|b)\2(a)x)+ aaaxabaxbaaxbbax y $&-$1-$2-$3 bbax-bbax-b-a
296 ((\3|b)\2(a)){2,} bbaababbabaaaaabbaaaabba y $&-$1-$2-$3 bbaaaabba-bba-b-a
297 #Bug #3589 - up to perl-5.6.0 matches incorrectly, from 5.6.1 not anymore
298 ^((.)?a\2)+$ babadad n - -
309 'abc'i XABCY y $& ABC
310 'abc'i ABABC y $& ABC
312 'ab*bc'i ABC y $& ABC
313 'ab*bc'i ABBC y $& ABBC
314 'ab*?bc'i ABBBBC y $& ABBBBC
315 'ab{0,}?bc'i ABBBBC y $& ABBBBC
316 'ab+?bc'i ABBC y $& ABBC
319 'ab{1,}bc'i ABQ n - -
320 'ab+bc'i ABBBBC y $& ABBBBC
321 'ab{1,}?bc'i ABBBBC y $& ABBBBC
322 'ab{1,3}?bc'i ABBBBC y $& ABBBBC
323 'ab{3,4}?bc'i ABBBBC y $& ABBBBC
324 'ab{4,5}?bc'i ABBBBC n - -
325 'ab??bc'i ABBC y $& ABBC
326 'ab??bc'i ABC y $& ABC
327 'ab{0,1}?bc'i ABC y $& ABC
328 'ab??bc'i ABBBBC n - -
329 'ab??c'i ABC y $& ABC
330 'ab{0,1}?c'i ABC y $& ABC
331 '^abc$'i ABC y $& ABC
333 '^abc'i ABCC y $& ABC
335 'abc$'i AABC y $& ABC
341 'a.*?c'i AXYZC y $& AXYZC
344 'a[bc]d'i ABD y $& ABD
346 'a[b-d]e'i ACE y $& ACE
347 'a[b-d]'i AAC y $& AC
350 'a[b-a]'i - c - Invalid [] range \"b-a\"
351 'a[]b'i - c - Unmatched [
352 'a['i - c - Unmatched [
354 'a[]]b'i A]B y $& A]B
355 'a[^bc]d'i AED y $& AED
357 'a[^-b]c'i ADC y $& ADC
360 'a[^]b]c'i ADC y $& ADC
362 'ab|cd'i ABCD y $& AB
363 '()ef'i DEF y $&-$1 EF-
364 '*a'i - c - Quantifier follows nothing
365 '(|*)b'i - c - Quantifier follows nothing
366 '(*)b'i - c - Unknown verb
368 'a\'i - c - Search pattern not terminated
369 'a\(b'i A(B y $&-$1 A(B-
371 'a\(*b'i A((B y $& A((B
372 'a\\b'i A\\B y $& A\\B
373 'abc)'i - c - Unmatched )
374 '(abc'i - c - Unmatched (
375 '((a))'i ABC y $&-$1-$2 A-A-A
376 '(a)b(c)'i ABC y $&-$1-$2 ABC-A-C
377 'a+b+c'i AABBABC y $& ABC
378 'a{1,}b{1,}c'i AABBABC y $& ABC
379 'a**'i - c - Nested quantifiers
380 'a.+?c'i ABCABC y $& ABC
381 'a.*?c'i ABCABC y $& ABC
382 'a.{0,5}?c'i ABCABC y $& ABC
383 '(a+|b)*'i AB y $&-$1 AB-B
384 '(a+|b){0,}'i AB y $&-$1 AB-B
385 '(a+|b)+'i AB y $&-$1 AB-B
386 '(a+|b){1,}'i AB y $&-$1 AB-B
387 '(a+|b)?'i AB y $&-$1 A-A
388 '(a+|b){0,1}'i AB y $&-$1 A-A
389 '(a+|b){0,1}?'i AB y $&-$1 -
390 ')('i - c - Unmatched )
391 '[^ab]*'i CDE y $& CDE
394 '([abc])*d'i ABBBCD y $&-$1 ABBBCD-C
395 '([abc])*bcd'i ABCD y $&-$1 ABCD-A
396 'a|b|c|d|e'i E y $& E
397 '(a|b|c|d|e)f'i EF y $&-$1 EF-E
398 'abcd*efg'i ABCDEFG y $& ABCDEFG
399 'ab*'i XABYABBBZ y $& AB
400 'ab*'i XAYABBBZ y $& A
401 '(ab|cd)e'i ABCDE y $&-$1 CDE-CD
402 '[abhgefdc]ij'i HIJ y $& HIJ
403 '^(ab|cd)e'i ABCDE n x$1y XY
404 '(abc|)ef'i ABCDEF y $&-$1 EF-
405 '(a|b)c*d'i ABCD y $&-$1 BCD-B
406 '(ab|ab*)bc'i ABC y $&-$1 ABC-A
407 'a([bc]*)c*'i ABC y $&-$1 ABC-BC
408 'a([bc]*)(c*d)'i ABCD y $&-$1-$2 ABCD-BC-D
409 'a([bc]+)(c*d)'i ABCD y $&-$1-$2 ABCD-BC-D
410 'a([bc]*)(c+d)'i ABCD y $&-$1-$2 ABCD-B-CD
411 'a[bcd]*dcdcde'i ADCDCDE y $& ADCDCDE
412 'a[bcd]+dcdcde'i ADCDCDE n - -
413 '(ab|a)b*c'i ABC y $&-$1 ABC-AB
414 '((a)(b)c)(d)'i ABCD y $1-$2-$3-$4 ABC-A-B-D
415 '[a-zA-Z_][a-zA-Z0-9_]*'i ALPHA y $& ALPHA
416 '^a(bc+|b[eh])g|.h$'i ABH y $&-$1 BH-
417 '(bc+d$|ef*g.|h?i(j|k))'i EFFGZ y $&-$1-$2 EFFGZ-EFFGZ-
418 '(bc+d$|ef*g.|h?i(j|k))'i IJ y $&-$1-$2 IJ-IJ-J
419 '(bc+d$|ef*g.|h?i(j|k))'i EFFG n - -
420 '(bc+d$|ef*g.|h?i(j|k))'i BCDD n - -
421 '(bc+d$|ef*g.|h?i(j|k))'i REFFGZ y $&-$1-$2 EFFGZ-EFFGZ-
422 '((((((((((a))))))))))'i A y $10 A
423 '((((((((((a))))))))))\10'i AA y $& AA
424 '((((((((((a))))))))))${bang}'i AA n - -
425 '((((((((((a))))))))))${bang}'i A! y $& A!
426 '(((((((((a)))))))))'i A y $& A
427 '(?:(?:(?:(?:(?:(?:(?:(?:(?:(a))))))))))'i A y $1 A
428 '(?:(?:(?:(?:(?:(?:(?:(?:(?:(a|b|c))))))))))'i C y $1 C
429 'multiple words of text'i UH-UH n - -
430 'multiple words'i MULTIPLE WORDS, YEAH y $& MULTIPLE WORDS
431 '(.*)c(.*)'i ABCDE y $&-$1-$2 ABCDE-AB-DE
432 '\((.*), (.*)\)'i (A, B) y ($2, $1) (B, A)
434 'abcd'i ABCD y $&-\$&-\\$& ABCD-\$&-\\ABCD
435 'a(bc)d'i ABCD y $1-\$1-\\$1 BC-\$1-\\BC
437 '(abc)\1'i ABCABC y $1 ABC
438 '([a-c]*)\1'i ABCABC y $1 ABC
442 a(?=c|d). abad y $& ad
443 a(?:b|c|d)(.) ace y $1 e
444 a(?:b|c|d)*(.) ace y $1 e
445 a(?:b|c|d)+?(.) ace y $1 e
446 a(?:b|c|d)+?(.) acdbcdbe y $1 d
447 a(?:b|c|d)+(.) acdbcdbe y $1 e
448 a(?:b|c|d){2}(.) acdbcdbe y $1 b
449 a(?:b|c|d){4,5}(.) acdbcdbe y $1 b
450 a(?:b|c|d){4,5}?(.) acdbcdbe y $1 d
451 ((foo)|(bar))* foobar y $1-$2-$3 bar-foo-bar
452 :(?: - c - Sequence (? incomplete
453 a(?:b|c|d){6,7}(.) acdbcdbe y $1 e
454 a(?:b|c|d){6,7}?(.) acdbcdbe y $1 e
455 a(?:b|c|d){5,6}(.) acdbcdbe y $1 e
456 a(?:b|c|d){5,6}?(.) acdbcdbe y $1 b
457 a(?:b|c|d){5,7}(.) acdbcdbe y $1 e
458 a(?:b|c|d){5,7}?(.) acdbcdbe y $1 b
459 a(?:b|(c|e){1,2}?|d)+?(.) ace y $1$2 ce
461 ^([^a-z])|(\^)$ . y $1 .
463 ^(a\1?){4}$ aaaaaaaaaa y $1 aaaa
464 ^(a\1?){4}$ aaaaaaaaa n - -
465 ^(a\1?){4}$ aaaaaaaaaaa n - -
466 ^(a(?(1)\1)){4}$ aaaaaaaaaa y $1 aaaa
467 ^(a(?(1)\1)){4}$ aaaaaaaaa n - -
468 ^(a(?(1)\1)){4}$ aaaaaaaaaaa n - -
469 ((a{4})+) aaaaaaaaa y $1 aaaaaaaa
470 (((aa){2})+) aaaaaaaaaa y $1 aaaaaaaa
471 (((a{2}){2})+) aaaaaaaaaa y $1 aaaaaaaa
472 (?:(f)(o)(o)|(b)(a)(r))* foobar y $1:$2:$3:$4:$5:$6 f:o:o:b:a:r
480 (?<%)b - c - Sequence (?<%...) not recognized
481 (?:..)*a aba y $& aba
483 ^(?:b|a(?=(.)))*\1 abc y $& ab
486 ^((a|b)+)*ax aax y $1 a
487 ^((a|bc)+)*ax aax y $1 a
490 (?:(?i)a)b ab y $& ab
491 ((?i)a)b ab y $&:$1 ab:a
492 (?:(?i)a)b Ab y $& Ab
493 ((?i)a)b Ab y $&:$1 Ab:A
497 ((?i:a))b ab y $&:$1 ab:a
499 ((?i:a))b Ab y $&:$1 Ab:A
502 '(?:(?-i)a)b'i ab y $& ab
503 '((?-i)a)b'i ab y $&:$1 ab:a
504 '(?:(?-i)a)b'i aB y $& aB
505 '((?-i)a)b'i aB y $&:$1 aB:a
506 '(?:(?-i)a)b'i Ab n - -
507 '((?-i)a)b'i Ab n - -
508 '(?:(?-i)a)b'i aB y $& aB
509 '((?-i)a)b'i aB y $1 a
510 '(?:(?-i)a)b'i AB n - -
511 '((?-i)a)b'i AB n - -
512 '(?-i:a)b'i ab y $& ab
513 '((?-i:a))b'i ab y $&:$1 ab:a
514 '(?-i:a)b'i aB y $& aB
515 '((?-i:a))b'i aB y $&:$1 aB:a
517 '((?-i:a))b'i Ab n - -
518 '(?-i:a)b'i aB y $& aB
519 '((?-i:a))b'i aB y $1 a
521 '((?-i:a))b'i AB n - -
522 '((?-i:a.))b'i a\nB n - -
523 '((?-i:a\N))b'i a\nB n - -
524 '((?s-i:a.))b'i a\nB y $1 a\n
525 '((?s-i:a\N))b'i a\nB n - -
526 '((?s-i:a.))b'i B\nB n - -
527 '((?s-i:a\N))b'i B\nB n - -
528 (?:c|d)(?:)(?:a(?:)(?:b)(?:b(?:))(?:b(?:)(?:b))) cabbbb y $& cabbbb
529 (?:c|d)(?:)(?:aaaaaaaa(?:)(?:bbbbbbbb)(?:bbbbbbbb(?:))(?:bbbbbbbb(?:)(?:bbbbbbbb))) caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb y $& caaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
530 '(ab)\d\1'i Ab4ab y $1 Ab
531 '(ab)\d\1'i ab4Ab y $1 ab
532 foo\w*\d{4}baz foobar1234baz y $& foobar1234baz
534 a(?{)b - c - Sequence (?{...}) not terminated or not {}-balanced
535 a(?{{})b - c - Sequence (?{...}) not terminated or not {}-balanced
537 a(?{"{"})b - c - Sequence (?{...}) not terminated or not {}-balanced
538 a(?{"\{"})b cabd y $& ab
539 a(?{"{"}})b - c - Unmatched right curly bracket
540 a(?{$::bl="\{"}).b caxbd y $::bl {
541 x(~~)*(?:(?:F)?)? x~~ y - -
542 ^a(?#xxx){3}c aaac y $& aaac
543 '^a (?#xxx) (?#yyy) {3}c'x aaac y $& aaac
544 (?<![cd])b dbcb n - -
545 (?<![cd])[ab] dbaacb y $& a
546 (?<!(c|d))b dbcb n - -
547 (?<!(c|d))[ab] dbaacb y $& a
548 (?<!cd)[ab] cdaccb y $& b
549 ^(?:a?b?)*$ a-- n - -
550 ((?s)^a(.))((?m)^b$) a\nb\nc\n y $1;$2;$3 a\n;\n;b
551 ((?m)^b$) a\nb\nc\n y $1 b
553 (?m)^(b) a\nb\n y $1 b
554 ((?m)^b) a\nb\n y $1 b
555 \n((?m)^b) a\nb\n y $1 b
556 ((?s).)c(?!.) a\nb\nc\n y $1 \n
557 ((?s).)c(?!.) a\nb\nc\n y $1:$& \n:\nc
558 ((?s)b.)c(?!.) a\nb\nc\n y $1 b\n
559 ((?s)b.)c(?!.) a\nb\nc\n y $1:$& b\n:b\nc
560 ((?s)b.)c(?!\N) a\nb\nc\n y $1:$& b\n:b\nc
561 '(b.)c(?!\N)'s a\nb\nc\n y $1:$& b\n:b\nc
564 ((?m)^b) a\nb\nc\n y $1 b
567 (x)?(?(1)a|b) a n - -
568 (x)?(?(1)b|a) a y $& a
569 ()?(?(1)b|a) a y $& a
571 ()?(?(1)a|b) a y $& a
572 ^(\()?blah(?(1)(\)))$ (blah) y $2 )
573 ^(\()?blah(?(1)(\)))$ blah y ($2) ()
574 ^(\()?blah(?(1)(\)))$ blah) n - -
575 ^(\()?blah(?(1)(\)))$ (blah n - -
576 ^(\(+)?blah(?(1)(\)))$ (blah) y $2 )
577 ^(\(+)?blah(?(1)(\)))$ blah y ($2) ()
578 ^(\(+)?blah(?(1)(\)))$ blah) n - -
579 ^(\(+)?blah(?(1)(\)))$ (blah n - -
580 (?(1?)a|b) a c - Switch condition not recognized
581 (?(1)a|b|c) a c - Switch (?(condition)... contains too many branches
583 (?(?{0})b|a) a y $& a
585 (?(?{1})a|b) a y $& a
590 (?=(a+?))(\1ab) aaab y $2 aab
591 ^(?=(a+?))\1ab aaab n - -
592 (\w+:)+ one: y $1 one:
594 (?=(a+?))(\1ab) aaab y $2 aab
595 ^(?=(a+?))\1ab aaab n - -
596 ([\w:]+::)?(\w+)$ abcd: n - -
597 ([\w:]+::)?(\w+)$ abcd y $1-$2 -abcd
598 ([\w:]+::)?(\w+)$ xy:z:::abcd y $1-$2 xy:z:::-abcd
599 ^[^bcd]*(c+) aexycd y $1 c
601 ([\w:]+::)?(\w+)$ abcd: n - -
602 ([\w:]+::)?(\w+)$ abcd y $1-$2 -abcd
603 ([\w:]+::)?(\w+)$ xy:z:::abcd y $1-$2 xy:z:::-abcd
604 ^[^bcd]*(c+) aexycd y $1 c
605 (?{$a=2})a*aa(?{local$a=$a+1})k*c(?{$b=$a}) yaaxxaaaacd y $b 3
606 (?{$a=2})(a(?{local$a=$a+1}))*aak*c(?{$b=$a}) yaaxxaaaacd y $b 4
609 ([[:]+) a:[b]: y $1 :[
610 ([[=]+) a=[b]= y $1 =[
611 ([[.]+) a.[b]. y $1 .[
612 [a[:xyz: - c - Unmatched [
613 [a[:xyz:] - c - POSIX class [:xyz:] unknown
614 [a[:]b[:c] abc y $& abc
615 ([a[:xyz:]b]+) pbaq c - POSIX class [:xyz:] unknown
616 [a[:]b[:c] abc y $& abc
617 ([[:alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
618 ([[:alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
619 ([[:ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__-- ${nulnul}
620 ([[:cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${nulnul}
621 ([[:digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
622 ([[:graph:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
623 ([[:lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd
624 ([[:print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
625 ([[:punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __--
626 ([[:space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1
627 ([[:word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__
628 ([[:upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
629 ([[:xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01
630 ([[:^alpha:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 01
631 ((?a)[[:^alnum:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 __-- ${nulnul}${ffff}
632 ([[:^ascii:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${ffff}
633 ([[:^cntrl:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
634 ([[:^digit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd
635 ([[:^lower:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 AB
636 ((?a)[[:^print:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ${nulnul}${ffff}
637 ([[:^punct:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy
638 ([[:^space:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 ABcd01Xy__--
639 ((?a)[[:^word:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 -- ${nulnul}${ffff}
640 ([[:^upper:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 cd01
641 ([[:^xdigit:]]+) ABcd01Xy__-- ${nulnul}${ffff} y $1 Xy__-- ${nulnul}${ffff}
642 [[:foo:]] - c - POSIX class [:foo:] unknown
643 [[:^foo:]] - c - POSIX class [:^foo:] unknown
644 ((?>a+)b) aaab y $1 aaab
645 (?>(a+))b aaab y $1 aaa
646 ((?>[^()]+)|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
647 (?<=x+)y - c - Variable length lookbehind not implemented
648 a{37,17} - c - Can't do {n,m} with n > m
649 a{37,0} - c - Can't do {n,m} with n > m
659 '\Z'm a\nb\n y $-[0] 3
660 '\z'm a\nb\n y $-[0] 4
661 '$'m a\nb\n y $-[0] 1
662 '\Z'm b\na\n y $-[0] 3
663 '\z'm b\na\n y $-[0] 4
664 '$'m b\na\n y $-[0] 1
679 'a$'m a\nb\n y $-[0] 0
680 'a\Z'm b\na\n y $-[0] 2
682 'a$'m b\na\n y $-[0] 2
683 'a\Z'm b\na y $-[0] 2
684 'a\z'm b\na y $-[0] 2
689 aa\Z b\naa\n y $-[0] 2
691 aa$ b\naa\n y $-[0] 2
695 'aa\Z'm aa\nb\n n - -
696 'aa\z'm aa\nb\n n - -
697 'aa$'m aa\nb\n y $-[0] 0
698 'aa\Z'm b\naa\n y $-[0] 2
699 'aa\z'm b\naa\n n - -
700 'aa$'m b\naa\n y $-[0] 2
701 'aa\Z'm b\naa y $-[0] 2
702 'aa\z'm b\naa y $-[0] 2
703 'aa$'m b\naa y $-[0] 2
713 'aa\Z'm ac\nb\n n - -
714 'aa\z'm ac\nb\n n - -
716 'aa\Z'm b\nac\n n - -
717 'aa\z'm b\nac\n n - -
731 'aa\Z'm ca\nb\n n - -
732 'aa\z'm ca\nb\n n - -
734 'aa\Z'm b\nca\n n - -
735 'aa\z'm b\nca\n n - -
743 ab\Z b\nab\n y $-[0] 2
745 ab$ b\nab\n y $-[0] 2
749 'ab\Z'm ab\nb\n n - -
750 'ab\z'm ab\nb\n n - -
751 'ab$'m ab\nb\n y $-[0] 0
752 'ab\Z'm b\nab\n y $-[0] 2
753 'ab\z'm b\nab\n n - -
754 'ab$'m b\nab\n y $-[0] 2
755 'ab\Z'm b\nab y $-[0] 2
756 'ab\z'm b\nab y $-[0] 2
757 'ab$'m b\nab y $-[0] 2
767 'ab\Z'm ac\nb\n n - -
768 'ab\z'm ac\nb\n n - -
770 'ab\Z'm b\nac\n n - -
771 'ab\z'm b\nac\n n - -
785 'ab\Z'm ca\nb\n n - -
786 'ab\z'm ca\nb\n n - -
788 'ab\Z'm b\nca\n n - -
789 'ab\z'm b\nca\n n - -
797 abb\Z b\nabb\n y $-[0] 2
799 abb$ b\nabb\n y $-[0] 2
800 abb\Z b\nabb y $-[0] 2
801 abb\z b\nabb y $-[0] 2
802 abb$ b\nabb y $-[0] 2
803 'abb\Z'm abb\nb\n n - -
804 'abb\z'm abb\nb\n n - -
805 'abb$'m abb\nb\n y $-[0] 0
806 'abb\Z'm b\nabb\n y $-[0] 2
807 'abb\z'm b\nabb\n n - -
808 'abb$'m b\nabb\n y $-[0] 2
809 'abb\Z'm b\nabb y $-[0] 2
810 'abb\z'm b\nabb y $-[0] 2
811 'abb$'m b\nabb y $-[0] 2
821 'abb\Z'm ac\nb\n n - -
822 'abb\z'm ac\nb\n n - -
823 'abb$'m ac\nb\n n - -
824 'abb\Z'm b\nac\n n - -
825 'abb\z'm b\nac\n n - -
826 'abb$'m b\nac\n n - -
839 'abb\Z'm ca\nb\n n - -
840 'abb\z'm ca\nb\n n - -
841 'abb$'m ca\nb\n n - -
842 'abb\Z'm b\nca\n n - -
843 'abb\z'm b\nca\n n - -
844 'abb$'m b\nca\n n - -
849 a*abc?xyz+pqr{3}ab{2,}xy{4,5}pq{0,6}AB{0,}zz x n - -
850 a(?{$a=2;$b=3;($b)=$a})b yabz y $b 2
851 round\(((?>[^()]+))\) _I(round(xs * sz),1) y $1 xs * sz
852 '((?x:.) )' x y $1- x -
853 '((?-x:.) )'x x y $1- x-
854 foo.bart foo.bart y - -
855 '^d[x][x][x]'m abcd\ndxxx y - -
856 .X(.+)+X bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
857 .X(.+)+XX bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
858 .XX(.+)+X bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
859 .X(.+)+X bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
860 .X(.+)+XX bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
861 .XX(.+)+X bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
862 .X(.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
863 .X(.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
864 .XX(.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
865 .X(.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
866 .X(.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
867 .XX(.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
868 .[X](.+)+[X] bbbbXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
869 .[X](.+)+[X][X] bbbbXcXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
870 .[X][X](.+)+[X] bbbbXXcXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y - -
871 .[X](.+)+[X] bbbbXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
872 .[X](.+)+[X][X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
873 .[X][X](.+)+[X] bbbbXXXaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa n - -
875 ([a-\d]+) za-9z y $1 a-9
876 ([\d-z]+) a0-za y $1 0-z
877 ([\d-\s]+) a0- z y $1 0-
878 ([a-[:digit:]]+) za-9z y $1 a-9
879 ([[:digit:]-z]+) =0-z= y $1 0-z
880 ([[:digit:]-[:alpha:]]+) =0-z= y $1 0-z
882 (\d+\.\d+) 3.1415926 y $1 3.1415926
883 (\ba.{0,10}br) have a web browser y $1 a web br
884 '\.c(pp|xx|c)?$'i Changes n - -
885 '\.c(pp|xx|c)?$'i IO.c y - -
886 '(\.c(pp|xx|c)?$)'i IO.c y $1 .c
888 '^\S\s+aa$'m \nx aa y - -
890 ^([ab]*?)(b)?(c)$ abac y -$2- --
891 (\w)?(abc)\1b abcab n - -
892 ^(?:.,){2}c a,b,c y - -
893 ^(.,){2}c a,b,c y $1 b,
894 ^(?:[^,]*,){2}c a,b,c y - -
895 ^([^,]*,){2}c a,b,c y $1 b,
896 ^([^,]*,){3}d aaa,b,c,d y $1 c,
897 ^([^,]*,){3,}d aaa,b,c,d y $1 c,
898 ^([^,]*,){0,3}d aaa,b,c,d y $1 c,
899 ^([^,]{1,3},){3}d aaa,b,c,d y $1 c,
900 ^([^,]{1,3},){3,}d aaa,b,c,d y $1 c,
901 ^([^,]{1,3},){0,3}d aaa,b,c,d y $1 c,
902 ^([^,]{1,},){3}d aaa,b,c,d y $1 c,
903 ^([^,]{1,},){3,}d aaa,b,c,d y $1 c,
904 ^([^,]{1,},){0,3}d aaa,b,c,d y $1 c,
905 ^([^,]{0,3},){3}d aaa,b,c,d y $1 c,
906 ^([^,]{0,3},){3,}d aaa,b,c,d y $1 c,
907 ^([^,]{0,3},){0,3}d aaa,b,c,d y $1 c,
909 (?a:((?u)\w)\W) \xC0\xC0 y $& \xC0\xC0
910 '(?!\A)x'm a\nxb\n y - -
911 ^(a(b)?)+$ aba y -$1-$2- -a--
912 ^(aa(bb)?)+$ aabbaa y -$1-$2- -aa--
913 '^.{9}abc.*\n'm 123\nabcabcabcabc\n y - -
915 ^(a)?(?(1)a|b)+$ a n - -
916 ^(a\1?)(a\1?)(a\2?)(a\3?)$ aaaaaa y $1,$2,$3,$4 a,aa,a,aa
917 ^(a\1?){4}$ aaaaaa y $1 aa
918 ^(0+)?(?:x(1))? x1 y - -
919 ^([0-9a-fA-F]+)(?:x([0-9a-fA-F]+)?)(?:x([0-9a-fA-F]+))? 012cxx0190 y - -
920 ^(b+?|a){1,2}c bbbac y $1 a
921 ^(b+?|a){1,2}c bbbbac y $1 a
922 \((\w\. \w+)\) cd. (A. Tw) y -$1- -A. Tw-
923 ((?:aaaa|bbbb)cccc)? aaaacccc y - -
924 ((?:aaaa|bbbb)cccc)? bbbbcccc y - -
925 (a)?(a)+ a y $1:$2 :a -
926 (ab)?(ab)+ ab y $1:$2 :ab -
927 (abc)?(abc)+ abc y $1:$2 :abc -
930 ^(a(??{"(?!)"})|(a)(?{1}))b ab y $2 a # [ID 20010811.006]
931 ab(?i)cd AbCd n - - # [ID 20010809.023]
933 (A|B)*(?(1)(CD)|(CD)) CD y $2-$3 -CD
934 (A|B)*(?(1)(CD)|(CD)) ABCD y $2-$3 CD-
935 (A|B)*?(?(1)(CD)|(CD)) CD y $2-$3 -CD # [ID 20010803.016]
936 (A|B)*?(?(1)(CD)|(CD)) ABCD y $2-$3 CD-
937 '^(o)(?!.*\1)'i Oo n - -
938 (.*)\d+\1 abc12bc y $1 bc
939 (?m:(foo\s*$)) foo\n bar y $1 foo
941 (.*)(?=c) abcd y $1 ab
942 (.*)(?=c)c abcd yB $1 ab
943 (.*)(?=b|c) abcd y $1 ab
944 (.*)(?=b|c)c abcd y $1 ab
945 (.*)(?=c|b) abcd y $1 ab
946 (.*)(?=c|b)c abcd y $1 ab
947 (.*)(?=[bc]) abcd y $1 ab
948 (.*)(?=[bc])c abcd yB $1 ab
949 (.*)(?<=b) abcd y $1 ab
950 (.*)(?<=b)c abcd y $1 ab
951 (.*)(?<=b|c) abcd y $1 abc
952 (.*)(?<=b|c)c abcd y $1 ab
953 (.*)(?<=c|b) abcd y $1 abc
954 (.*)(?<=c|b)c abcd y $1 ab
955 (.*)(?<=[bc]) abcd y $1 abc
956 (.*)(?<=[bc])c abcd y $1 ab
958 (.*?)(?=c) abcd y $1 ab
959 (.*?)(?=c)c abcd yB $1 ab
960 (.*?)(?=b|c) abcd y $1 a
961 (.*?)(?=b|c)c abcd y $1 ab
962 (.*?)(?=c|b) abcd y $1 a
963 (.*?)(?=c|b)c abcd y $1 ab
964 (.*?)(?=[bc]) abcd y $1 a
965 (.*?)(?=[bc])c abcd yB $1 ab
966 (.*?)(?<=b) abcd y $1 ab
967 (.*?)(?<=b)c abcd y $1 ab
968 (.*?)(?<=b|c) abcd y $1 ab
969 (.*?)(?<=b|c)c abcd y $1 ab
970 (.*?)(?<=c|b) abcd y $1 ab
971 (.*?)(?<=c|b)c abcd y $1 ab
972 (.*?)(?<=[bc]) abcd y $1 ab
973 (.*?)(?<=[bc])c abcd y $1 ab
976 a(b)?? abc y <$1> <> # undef [perl #16773]
977 (\d{1,3}\.){3,} 128.134.142.8 y <$1> <142.> # [perl #18019]
978 ^.{3,4}(.+)\1\z foobarbar y $1 bar # 16 tests for [perl #23171]
979 ^(?:f|o|b){3,4}(.+)\1\z foobarbar y $1 bar
980 ^.{3,4}((?:b|a|r)+)\1\z foobarbar y $1 bar
981 ^(?:f|o|b){3,4}((?:b|a|r)+)\1\z foobarbar y $1 bar
982 ^.{3,4}(.+?)\1\z foobarbar y $1 bar
983 ^(?:f|o|b){3,4}(.+?)\1\z foobarbar y $1 bar
984 ^.{3,4}((?:b|a|r)+?)\1\z foobarbar y $1 bar
985 ^(?:f|o|b){3,4}((?:b|a|r)+?)\1\z foobarbar y $1 bar
986 ^.{2,3}?(.+)\1\z foobarbar y $1 bar
987 ^(?:f|o|b){2,3}?(.+)\1\z foobarbar y $1 bar
988 ^.{2,3}?((?:b|a|r)+)\1\z foobarbar y $1 bar
989 ^(?:f|o|b){2,3}?((?:b|a|r)+)\1\z foobarbar y $1 bar
990 ^.{2,3}?(.+?)\1\z foobarbar y $1 bar
991 ^(?:f|o|b){2,3}?(.+?)\1\z foobarbar y $1 bar
992 ^.{2,3}?((?:b|a|r)+?)\1\z foobarbar y $1 bar
993 ^(?:f|o|b){2,3}?((?:b|a|r)+?)\1\z foobarbar y $1 bar
994 .*a(?!(b|cd)*e).*f ......abef n - - # [perl #23030]
995 x(?# x c - Sequence (?#... not terminated
996 :x(?#: x c - Sequence (?#... not terminated
997 (WORDS|WORD)S WORDS y $1 WORD
998 (X.|WORDS|X.|WORD)S WORDS y $1 WORD
999 (WORDS|WORLD|WORD)S WORDS y $1 WORD
1000 (X.|WORDS|WORD|Y.)S WORDS y $1 WORD
1001 (foo|fool|x.|money|parted)$ fool y $1 fool
1002 (x.|foo|fool|x.|money|parted|y.)$ fool y $1 fool
1003 (foo|fool|money|parted)$ fool y $1 fool
1004 (foo|fool|x.|money|parted)$ fools n - -
1005 (x.|foo|fool|x.|money|parted|y.)$ fools n - -
1006 (foo|fool|money|parted)$ fools n - -
1007 (a|aa|aaa||aaaa|aaaaa|aaaaaa)(b|c) aaaaaaaaaaaaaaab y $1$2 aaaaaab
1008 (a|aa|aaa||aaaa|aaaaa|aaaaaa)(??{$1&&""})(b|c) aaaaaaaaaaaaaaab y $1$2 aaaaaab
1009 (a|aa|aaa|aaaa|aaaaa|aaaaaa)(??{$1&&"foo"})(b|c) aaaaaaaaaaaaaaab n - -
1010 ^(a*?)(?!(aa|aaaa)*$) aaaaaaaaaaaaaaaaaaaa y $1 a # [perl #34195]
1011 ^(a*?)(?!(aa|aaaa)*$)(?=a\z) aaaaaaaa y $1 aaaaaaa
1012 ^(.)\s+.$(?(1)) A B y $1 A # [perl #37688]
1013 (?:r?)*?r|(.{2,4}) abcde y $1 abcd
1014 (?!)+?|(.{2,4}) abcde y $1 abcd
1015 ^(a*?)(?!(a{6}|a{5})*$) aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa y $+[1] 12 # super-linear cache bug may return 18
1016 ^((?>(?:aa)?b)?) aab y $1 aab
1017 ^((?:aa)*)(?:X+((?:\d+|-)(?:X+(.+))?))?$ aaaaX5 y $1 aaaa
1018 X(A|B||C|D)Y XXXYYY y $& XY # Trie w/ NOTHING
1019 (?i:X([A]|[B]|y[Y]y|[D]|)Y) XXXYYYB y $& XY # Trie w/ NOTHING
1020 ^([a]{1})*$ aa y $1 a
1021 a(?!b(?!c))(..) abababc y $1 bc # test nested negatives
1022 a(?!b(?=a))(..) abababc y $1 bc # test nested lookaheads
1023 a(?!b(?!c(?!d(?!e))))...(.) abxabcdxabcde y $1 e
1024 X(?!b+(?!(c+)*(?!(c+)*d))).*X aXbbbbbbbcccccccccccccaaaX y - -
1025 ^(XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1026 ^(XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1027 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1028 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1029 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1030 ^([TUV]+|XXXXXXXXXX|YYYYYYYYYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQX: y $1 ZEQQQX
1031 ^(XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1032 ^(XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1033 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1034 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P): ZEQQQX: y $1 ZEQQQX
1035 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQQQQQQQQQQQQQQQQP: y $1 ZEQQQQQQQQQQQQQQQQQQP
1036 ^([TUV]+|XXX|YYY|Z.Q*X|Z[TE]Q*P|[MKJ]): ZEQQQX: y $1 ZEQQQX
1037 X(?:ABCF[cC]x*|ABCD|ABCF):(?:DIT|DID|DIM) XABCFCxxxxxxxxxx:DIM y $& XABCFCxxxxxxxxxx:DIM
1038 (((ABCD|ABCE|ABCF)))(A|B|C[xy]*): ABCFCxxxxxxxxxx:DIM y $& ABCFCxxxxxxxxxx:
1040 (?=foo) XfooY y pos 1
1041 .*(?=foo) XfooY y pos 1
1042 (?<=foo) foo y pos 3
1043 (?<=foo) XfooY y pos 4
1044 .*(?<=foo) foo y pos 3
1045 .*(?<=foo) XfooY y pos 4
1046 (?<=foo)Y XfooY y pos 5
1047 o(?<=foo)Y ..XfooY.. y pos 7
1048 X(?=foo)f ..XfooY.. y pos 4
1049 X(?=foo) ..XfooY.. y pos 3
1050 X(?<=foo.)[YZ] ..XfooXY.. y pos 8
1051 (?=XY*foo) Xfoo y pos 0
1052 ^(?=XY*foo) Xfoo y pos 0
1053 ^(??{"a+"})a aa y $& aa
1054 ^(?:(??{"a+"})|b)a aa y $& aa
1055 ^(??{chr 0x100}).$ \x{100}\x{100} y $& \x{100}\x{100}
1056 ^(??{q(\x{100})}). \x{100}\x{100} y $& \x{100}\x{100}
1057 ^(??{q(.+)})\x{100} \x{100}\x{100} y $& \x{100}\x{100}
1058 ^(??{q(.)})\x{100} \x{100}\x{100} y $& \x{100}\x{100}
1059 ^(??{chr 0x100})\xbb \x{100}\x{bb} y $& \x{100}\x{bb}
1060 ^(.)(??{"(.)(.)"})(.)$ abcd y $1-$2 a-d
1061 ^(.)(??{"(bz+|.)(.)"})(.)$ abcd y $1-$2 a-d
1062 ^(.)((??{"(.)(cz+)"})|.) abcd y $1-$2 a-b
1063 ^a(?>(??{q(b)}))(??{q(c)})d abcd y - -
1064 ^x(??{""})+$ x y $& x
1065 ^(<(?:[^<>]+|(?3)|(?1))*>)()(!>!>!>)$ <<!>!>!>><>>!>!>!> y $1 <<!>!>!>><>>
1066 ^(<(?:[^<>]+|(?1))*>)$ <<><<<><>>>> y $1 <<><<<><>>>>
1067 ((?2)*)([fF]o+) fooFoFoo y $1-$2 fooFo-Foo
1068 (<(?:[^<>]+|(?R))*>) <<><<<><>>>> y $1 <<><<<><>>>>
1069 (?<n>foo|bar|baz) snofooewa y $1 foo
1070 (?<n>foo|bar|baz) snofooewa y $+{n} foo
1071 (?<n>foo|bar|baz)(?<m>[ew]+) snofooewa y $+{n} foo
1072 (?<n>foo|bar|baz)(?<m>[ew]+) snofooewa y $+{m} ew
1073 (?<n>foo)|(?<n>bar)|(?<n>baz) snofooewa y $+{n} foo
1074 (?<n>foo)(??{ $+{n} }) snofooefoofoowaa y $+{n} foo
1075 (?P<n>foo|bar|baz) snofooewa y $1 foo
1076 (?P<n>foo|bar|baz) snofooewa y $+{n} foo
1077 (?P<n>foo|bar|baz)(?P<m>[ew]+) snofooewa y $+{n} foo
1078 (?P<n>foo|bar|baz)(?P<m>[ew]+) snofooewa y $+{m} ew
1079 (?P<n>foo)|(?P<n>bar)|(?P<n>baz) snofooewa y $+{n} foo
1080 (?P<n>foo)(??{ $+{n} }) snofooefoofoowaa y $+{n} foo
1081 (?P<=n>foo|bar|baz) snofooewa c - Sequence (?P<=...) not recognized
1082 (?P<!n>foo|bar|baz) snofooewa c - Sequence (?P<!...) not recognized
1083 (?PX<n>foo|bar|baz) snofooewa c - Sequence (?PX<...) not recognized
1084 /(?'n'foo|bar|baz)/ snofooewa y $1 foo
1085 /(?'n'foo|bar|baz)/ snofooewa y $+{n} foo
1086 /(?'n'foo|bar|baz)(?'m'[ew]+)/ snofooewa y $+{n} foo
1087 /(?'n'foo|bar|baz)(?'m'[ew]+)/ snofooewa y $+{m} ew
1088 /(?'n'foo)|(?'n'bar)|(?<n>baz)/ snobazewa y $+{n} baz
1089 /(?'n'foo)(??{ $+{n} })/ snofooefoofoowaa y $+{n} foo
1090 /(?'n'foo)\k<n>/ ..foofoo.. y $1 foo
1091 /(?'n'foo)\k<n>/ ..foofoo.. y $+{n} foo
1092 /(?<n>foo)\k'n'/ ..foofoo.. y $1 foo
1093 /(?<n>foo)\k'n'/ ..foofoo.. y $+{n} foo
1094 /(?:(?<n>foo)|(?<n>bar))\k<n>/ ..barbar.. y $+{n} bar
1095 /^(?'main'<(?:[^<>]+|(?&crap)|(?&main))*>)(?'empty')(?'crap'!>!>!>)$/ <<!>!>!>><>>!>!>!> y $+{main} <<!>!>!>><>>
1096 /^(?'main'<(?:[^<>]+|(?&main))*>)$/ <<><<<><>>>> y $1 <<><<<><>>>>
1097 /(?'first'(?&second)*)(?'second'[fF]o+)/ fooFoFoo y $+{first}-$+{second} fooFo-Foo
1098 (?<A>foo)?(?(<A>)bar|nada) foobar y $+{A} foo
1099 (?<A>foo)?(?(<A>)bar|nada) foo-barnada y $& nada
1100 (?<A>foo)?(?(1)bar|nada) foo-barnada y $& nada
1101 (?<A>foo(?(R)bar))?(?1) foofoobar y $1 foo
1102 (?<A>foo(?(R)bar))?(?1) foofoobar y $& foofoobar
1103 (x)(?<A>foo(?(R&A)bar))?(?&A) xfoofoobar y $2 foo
1104 (x)(?<A>foo(?(R&A)bar))?(?&A) xfoofoobar y $& xfoofoobar
1105 (x)(?<A>foo(?(R2)bar))?(?&A) xfoofoobar y $2 foo
1106 (x)(?<A>foo(?(R2)bar))?(?&A) xfoofoobar y $& xfoofoobar
1107 (?1)(?(DEFINE)(blah)) blah y $& blah
1108 /^(?<PAL>(?<CHAR>.)((?&PAL)|.?)\k<CHAR>)$/ madamimadam y $& madamimadam
1109 /^(?<PAL>(?<CHAR>.)((?&PAL)|.?)\k<CHAR>)$/ madamiamadam n - -
1110 /(a)?((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1111 /(a)*((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1112 /(a)+((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1113 /(a){1,100}((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1114 /(a){0,100}((?1))(fox)/ aafox y $1-$2-$3 a-a-fox
1115 /(ab)?((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1116 /(ab)*((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1117 /(ab)+((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1118 /(ab){1,100}((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1119 /(ab){0,100}((?1))(fox)/ ababfox y $1-$2-$3 ab-ab-fox
1120 # possessive captures
1123 a{1,5}+a aaaaa n - -
1125 a++b aaaaab y $& aaaaab
1126 a*+b aaaaab y $& aaaaab
1127 a{1,5}+b aaaaab y $& aaaaab
1129 fooa++a fooaaaaa n - -
1130 fooa*+a fooaaaaa n - -
1131 fooa{1,5}+a fooaaaaa n - -
1133 fooa++b fooaaaaab y $& fooaaaaab
1134 fooa*+b fooaaaaab y $& fooaaaaab
1135 fooa{1,5}+b fooaaaaab y $& fooaaaaab
1136 fooa?+b fooab y $& fooab
1137 (?:aA)++(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1138 (aA)++(aA) aAaAaAaAaA n - aAaAaAaAaA
1139 (aA|bB)++(aA|bB) aAaAbBaAbB n - aAaAbBaAbB
1140 (?:aA|bB)++(?:aA|bB) aAbBbBbBaA n - aAbBbBbBaA
1141 (?:aA)*+(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1142 (aA)*+(aA) aAaAaAaAaA n - aAaAaAaAaA
1143 (aA|bB)*+(aA|bB) aAaAbBaAaA n - aAaAbBaAaA
1144 (?:aA|bB)*+(?:aA|bB) aAaAaAbBaA n - aAaAaAbBaA
1145 (?:aA){1,5}+(?:aA) aAaAaAaAaA n - aAaAaAaAaA
1146 (aA){1,5}+(aA) aAaAaAaAaA n - aAaAaAaAaA
1147 (aA|bB){1,5}+(aA|bB) aAaAbBaAaA n - aAaAbBaAaA
1148 (?:aA|bB){1,5}+(?:aA|bB) bBbBbBbBbB n - bBbBbBbBbB
1149 (?:aA)?+(?:aA) aAb n - aAb
1150 (aA)?+(aA) aAb n - aAb
1151 (aA|bB)?+(aA|bB) bBb n - bBb
1152 (?:aA|bB)?+(?:aA|bB) aAb n - aAb
1153 (?:aA)++b aAaAaAaAaAb y $& aAaAaAaAaAb
1154 (aA)++b aAaAaAaAaAb y $& aAaAaAaAaAb
1155 (aA|bB)++b aAbBaAaAbBb y $& aAbBaAaAbBb
1156 (?:aA|bB)++b aAbBbBaAaAb y $& aAbBbBaAaAb
1157 (?:aA)*+b aAaAaAaAaAb y $& aAaAaAaAaAb
1158 (aA)*+b aAaAaAaAaAb y $& aAaAaAaAaAb
1159 (aA|bB)*+b bBbBbBbBbBb y $& bBbBbBbBbBb
1160 (?:aA|bB)*+b bBaAbBbBaAb y $& bBaAbBbBaAb
1161 (?:aA){1,5}+b aAaAaAaAaAb y $& aAaAaAaAaAb
1162 (aA){1,5}+b aAaAaAaAaAb y $& aAaAaAaAaAb
1163 (aA|bB){1,5}+b bBaAbBaAbBb y $& bBaAbBaAbBb
1164 (?:aA|bB){1,5}+b aAbBaAbBbBb y $& aAbBaAbBbBb
1165 (?:aA)?+b aAb y $& aAb
1166 (aA)?+b aAb y $& aAb
1167 (aA|bB)?+b bBb y $& bBb
1168 (?:aA|bB)?+b bBb y $& bBb
1169 foo(?:aA)++(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1170 foo(aA)++(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1171 foo(aA|bB)++(aA|bB) foobBbBbBaAaA n - foobBbBbBaAaA
1172 foo(?:aA|bB)++(?:aA|bB) fooaAaAaAaAaA n - fooaAaAaAaAaA
1173 foo(?:aA)*+(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1174 foo(aA)*+(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1175 foo(aA|bB)*+(aA|bB) foobBaAbBaAaA n - foobBaAbBaAaA
1176 foo(?:aA|bB)*+(?:aA|bB) fooaAaAbBbBaA n - fooaAaAbBbBaA
1177 foo(?:aA){1,5}+(?:aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1178 foo(aA){1,5}+(aA) fooaAaAaAaAaA n - fooaAaAaAaAaA
1179 foo(aA|bB){1,5}+(aA|bB) fooaAbBbBaAaA n - fooaAbBbBaAaA
1180 foo(?:aA|bB){1,5}+(?:aA|bB) fooaAbBbBaAbB n - fooaAbBbBaAbB
1181 foo(?:aA)?+(?:aA) fooaAb n - fooaAb
1182 foo(aA)?+(aA) fooaAb n - fooaAb
1183 foo(aA|bB)?+(aA|bB) foobBb n - foobBb
1184 foo(?:aA|bB)?+(?:aA|bB) fooaAb n - fooaAb
1185 foo(?:aA)++b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1186 foo(aA)++b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1187 foo(aA|bB)++b foobBaAbBaAbBb y $& foobBaAbBaAbBb
1188 foo(?:aA|bB)++b fooaAaAbBaAaAb y $& fooaAaAbBaAaAb
1189 foo(?:aA)*+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1190 foo(aA)*+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1191 foo(aA|bB)*+b foobBbBaAaAaAb y $& foobBbBaAaAaAb
1192 foo(?:aA|bB)*+b foobBaAaAbBaAb y $& foobBaAaAbBaAb
1193 foo(?:aA){1,5}+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1194 foo(aA){1,5}+b fooaAaAaAaAaAb y $& fooaAaAaAaAaAb
1195 foo(aA|bB){1,5}+b foobBaAaAaAaAb y $& foobBaAaAaAaAb
1196 foo(?:aA|bB){1,5}+b fooaAbBaAbBbBb y $& fooaAbBaAbBbBb
1197 foo(?:aA)?+b fooaAb y $& fooaAb
1198 foo(aA)?+b fooaAb y $& fooaAb
1199 foo(aA|bB)?+b foobBb y $& foobBb
1200 foo(?:aA|bB)?+b foobBb y $& foobBb
1202 ([^()]++|\([^()]*\))+ ((abc(ade)ufh()()x y $& abc(ade)ufh()()x
1203 round\(([^()]++)\) _I(round(xs * sz),1) y $1 xs * sz
1205 (foo[1x]|bar[2x]|baz[3x])+y foo1bar2baz3y y $1 baz3
1206 (foo[1x]|bar[2x]|baz[3x])+y foo1bar2baz3y y $& foo1bar2baz3y
1207 (foo[1x]|bar[2x]|baz[3x])*y foo1bar2baz3y y $1 baz3
1208 (foo[1x]|bar[2x]|baz[3x])*y foo1bar2baz3y y $& foo1bar2baz3y
1210 ([yX].|WORDS|[yX].|WORD)S WORDS y $1 WORD
1211 (WORDS|WORLD|WORD)S WORDS y $1 WORD
1212 ([yX].|WORDS|WORD|[xY].)S WORDS y $1 WORD
1213 (foo|fool|[zx].|money|parted)$ fool y $1 fool
1214 ([zx].|foo|fool|[zq].|money|parted|[yx].)$ fool y $1 fool
1215 (foo|fool|[zx].|money|parted)$ fools n - -
1216 ([zx].|foo|fool|[qx].|money|parted|[py].)$ fools n - -
1218 ([yX].|WORDS|[yX].|WORD)+S WORDS y $1 WORD
1219 (WORDS|WORLD|WORD)+S WORDS y $1 WORD
1220 ([yX].|WORDS|WORD|[xY].)+S WORDS y $1 WORD
1221 (foo|fool|[zx].|money|parted)+$ fool y $1 fool
1222 ([zx].|foo|fool|[zq].|money|parted|[yx].)+$ fool y $1 fool
1223 (foo|fool|[zx].|money|parted)+$ fools n - -
1224 ([zx].|foo|fool|[qx].|money|parted|[py].)+$ fools n - -
1226 (x|y|z[QW])+(longish|loquatious|excessive|overblown[QW])+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1227 (x|y|z[QW])*(longish|loquatious|excessive|overblown[QW])* xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1228 (x|y|z[QW]){1,5}(longish|loquatious|excessive|overblown[QW]){1,5} xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1230 (x|y|z[QW])++(longish|loquatious|excessive|overblown[QW])++ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1231 (x|y|z[QW])*+(longish|loquatious|excessive|overblown[QW])*+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1232 (x|y|z[QW]){1,5}+(longish|loquatious|excessive|overblown[QW]){1,5}+ xyzQzWlongishoverblownW y $1-$2 zW-overblownW
1235 a*(*FAIL) aaaab n - -
1238 (A(A|B(*ACCEPT)|C)D)(E) AB y $1 AB
1239 (A(A|B(*ACCEPT)|C)D)(E) ACDE y $1$2$3 ACDCE
1241 (a)(?:(?-1)|(?+1))(b) aab y $&-$1-$2 aab-a-b
1242 (a)(?:(?-1)|(?+1))(b) abb y $1-$2 a-b
1243 (a)(?:(?-1)|(?+1))(b) acb n - -
1245 (foo)(\g-2) foofoo y $1-$2 foo-foo
1246 (foo)(\g-2)(foo)(\g-2) foofoofoofoo y $1-$2-$3-$4 foo-foo-foo-foo
1247 (([abc]+) \g-1)(([abc]+) \g{-1}) abc abccba cba y $2-$4 abc-cba
1248 (a)(b)(c)\g1\g2\g3 abcabc y $1$2$3 abc
1250 # \k<n> preceded by a literal
1251 /(?'n'foo) \k<n>/ ..foo foo.. y $1 foo
1252 /(?'n'foo) \k<n>/ ..foo foo.. y $+{n} foo
1253 /(?<n>foo) \k'n'/ ..foo foo.. y $1 foo
1254 /(?<n>foo) \k'n'/ ..foo foo.. y $+{n} foo
1255 /(?'a1'foo) \k'a1'/ ..foo foo.. y $+{a1} foo
1256 /(?<a1>foo) \k<a1>/ ..foo foo.. y $+{a1} foo
1257 /(?'_'foo) \k'_'/ ..foo foo.. y $+{_} foo
1258 /(?<_>foo) \k<_>/ ..foo foo.. y $+{_} foo
1259 /(?'_0_'foo) \k'_0_'/ ..foo foo.. y $+{_0_} foo
1260 /(?<_0_>foo) \k<_0_>/ ..foo foo.. y $+{_0_} foo
1261 /(?'0'foo) bar/ ..foo bar.. c - Sequence (?'
1262 /(?<0>foo) bar/ ..foo bar.. c - Sequence (?<
1263 /(?'12'foo) bar/ ..foo bar.. c - Sequence (?'
1264 /(?<12>foo) bar/ ..foo bar.. c - Sequence (?<
1265 /(?'1a'foo) bar/ ..foo bar.. c - Sequence (?'
1266 /(?<1a>foo) bar/ ..foo bar.. c - Sequence (?<
1267 /(?''foo) bar/ ..foo bar.. c - Sequence (?''
1268 /(?<>foo) bar/ ..foo bar.. c - Sequence (?<>
1269 /foo \k'n'/ foo foo c - Reference to nonexistent named group
1270 /foo \k<n>/ foo foo c - Reference to nonexistent named group
1271 /foo \k'a1'/ foo foo c - Reference to nonexistent named group
1272 /foo \k<a1>/ foo foo c - Reference to nonexistent named group
1273 /foo \k'_'/ foo foo c - Reference to nonexistent named group
1274 /foo \k<_>/ foo foo c - Reference to nonexistent named group
1275 /foo \k'_0_'/ foo foo c - Reference to nonexistent named group
1276 /foo \k<_0_>/ foo foo c - Reference to nonexistent named group
1277 /foo \k'0'/ foo foo c - Sequence \\k'
1278 /foo \k<0>/ foo foo c - Sequence \\k<
1279 /foo \k'12'/ foo foo c - Sequence \\k'
1280 /foo \k<12>/ foo foo c - Sequence \\k<
1281 /foo \k'1a'/ foo foo c - Sequence \\k'
1282 /foo \k<1a>/ foo foo c - Sequence \\k<
1283 /foo \k''/ foo foo c - Sequence \\k'
1284 /foo \k<>/ foo foo c - Sequence \\k<
1285 /(?<as>as) (\w+) \k<as> (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1287 # \g{...} with a name as the argument
1288 /(?'n'foo) \g{n}/ ..foo foo.. y $1 foo
1289 /(?'n'foo) \g{n}/ ..foo foo.. y $+{n} foo
1290 /(?<n>foo) \g{n}/ ..foo foo.. y $1 foo
1291 /(?<n>foo) \g{n}/ ..foo foo.. y $+{n} foo
1292 /(?<as>as) (\w+) \g{as} (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1294 # Python style named capture buffer stuff
1295 /(?P<n>foo)(?P=n)/ ..foofoo.. y $1 foo
1296 /(?P<n>foo)(?P=n)/ ..foofoo.. y $+{n} foo
1297 /(?:(?P<n>foo)|(?P<n>bar))(?P=n)/ ..barbar.. y $+{n} bar
1298 /^(?P<PAL>(?P<CHAR>.)((?P>PAL)|.?)(?P=CHAR))$/ madamimadam y $& madamimadam
1299 /^(?P<PAL>(?P<CHAR>.)((?P>PAL)|.?)(?P=CHAR))$/ madamiamadam n - -
1300 /(?P<n>foo) (?P=n)/ ..foo foo.. y $1 foo
1301 /(?P<n>foo) (?P=n)/ ..foo foo.. y $+{n} foo
1302 /(?P<as>as) (\w+) (?P=as) (\w+)/ as easy as pie y $1-$2-$3 as-easy-pie
1304 #check that non identifiers as names are treated as the appropriate lookaround
1305 (?<=bar>)foo bar>foo y $& foo
1306 (?<!bar>)foo bar>foo n - -
1307 (?<=bar>ABC)foo bar>ABCfoo y $& foo
1308 (?<!bar>ABC)foo bar>ABCfoo n - -
1309 (?<bar>)foo bar>ABCfoo y $& foo
1310 (?<bar>ABC)foo bar>ABCfoo y $& ABCfoo
1312 (?<=abcd(?<=(aaaabcd))) ..aaaabcd.. y $1 aaaabcd
1313 (?=xy(?<=(aaxy))) ..aaxy.. y $1 aaxy
1315 X(\w+)(?=\s)|X(\w+) Xab y [$1-$2] [-ab]
1317 #check that branch reset works ok.
1318 (?|(a)) a y $1-$+-$^N a-a-a
1319 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) d!o!da y $1-$2-$3 !o!-o-a
1320 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) aabc y $1-$2-$3 a--c
1321 (?|a(.)b|d(.(o).)d|i(.)(.)j)(.) ixyjp y $1-$2-$3 x-y-p
1322 (?|(?|(a)|(b))|(?|(c)|(d))) a y $1 a
1323 (?|(?|(a)|(b))|(?|(c)|(d))) b y $1 b
1324 (?|(?|(a)|(b))|(?|(c)|(d))) c y $1 c
1325 (?|(?|(a)|(b))|(?|(c)|(d))) d y $1 d
1326 (.)(?|(.)(.)x|(.)d)(.) abcde y $1-$2-$3-$4-$5- b-c--e--
1327 (\N)(?|(\N)(\N)x|(\N)d)(\N) abcde y $1-$2-$3-$4-$5- b-c--e--
1328 (?|(?<foo>x)) x y $+{foo} x
1329 (?|(?<foo>x)|(?<bar>y)) x y $+{foo} x
1330 (?|(?<bar>y)|(?<foo>x)) x y $+{foo} x
1331 (?<bar>)(?|(?<foo>x)) x y $+{foo} x
1334 (?(DEFINE)(?<A>(?&B)+)(?<B>a))(?&A) a y $& a
1335 (?(DEFINE)(?<A>(?&B)+)(?<B>a))(?&A) aa y $& aa
1336 \x{100}?(??{""})xxx xxx y $& xxx
1338 foo(\R)bar foo\r\nbar y $1 \r\n
1339 foo(\R)bar foo\nbar y $1 \n
1340 foo(\R)bar foo\rbar y $1 \r
1342 foo(\R+)bar foo\r\n\x{85}\r\n\nbar y $1 \r\n\x{85}\r\n\n
1343 (\V+)(\R) foo\r\n\x{85}\r\n\nbar y $1-$2 foo-\r\n
1344 (\R+)(\V) foo\r\n\x{85}\r\n\nbar y $1-$2 \r\n\x{85}\r\n\n-b
1345 foo(\R)bar foo\x{85}bar y $1 \x{85}
1346 (\V)(\R) foo\x{85}bar y $1-$2 o-\x{85}
1347 (\R)(\V) foo\x{85}bar y $1-$2 \x{85}-b
1348 foo(\R)bar foo\r\nbar y $1 \r\n
1349 (\V)(\R) foo\r\nbar y $1-$2 o-\r\n
1350 (\R)(\V) foo\r\nbar y $1-$2 \r\n-b
1351 foo(\R)bar foo\r\nbar y $1 \r\n
1352 (\V)(\R) foo\r\nbar y $1-$2 o-\r\n
1353 (\R)(\V) foo\r\nbar y $1-$2 \r\n-b
1354 foo(\R)bar foo\rbar y $1 \r
1355 (\V)(\R) foo\rbar y $1-$2 o-\r
1356 (\R)(\V) foo\rbar y $1-$2 \r-b
1358 foo(\v+)bar foo\r\n\x{85}\r\n\nbar y $1 \r\n\x{85}\r\n\n
1359 (\V+)(\v) foo\r\n\x{85}\r\n\nbar y $1-$2 foo-\r
1360 (\v+)(\V) foo\r\n\x{85}\r\n\nbar y $1-$2 \r\n\x{85}\r\n\n-b
1361 foo(\v)bar foo\x{85}bar y $1 \x{85}
1362 (\V)(\v) foo\x{85}bar y $1-$2 o-\x{85}
1363 (\v)(\V) foo\x{85}bar y $1-$2 \x{85}-b
1364 foo(\v)bar foo\rbar y $1 \r
1365 (\V)(\v) foo\rbar y $1-$2 o-\r
1366 (\v)(\V) foo\rbar y $1-$2 \r-b
1369 foo(\h+)bar foo\t\x{A0}bar y $1 \t\x{A0}
1370 (\H+)(\h) foo\t\x{A0}bar y $1-$2 foo-\t
1371 (\h+)(\H) foo\t\x{A0}bar y $1-$2 \t\x{A0}-b
1372 foo(\h)bar foo\x{A0}bar y $1 \x{A0}
1373 (\H)(\h) foo\x{A0}bar y $1-$2 o-\x{A0}
1374 (\h)(\H) foo\x{A0}bar y $1-$2 \x{A0}-b
1375 foo(\h)bar foo\tbar y $1 \t
1376 (\H)(\h) foo\tbar y $1-$2 o-\t
1377 (\h)(\H) foo\tbar y $1-$2 \t-b
1379 .*\z foo\n y -$&- --
1380 \N*\z foo\n y -$&- --
1381 .*\Z foo\n y -$&- -foo-
1382 \N*\Z foo\n y -$&- -foo-
1383 ^(?:(\d)x)?\d$ 1 y ${\(defined($1)?1:0)} 0
1384 .*?(?:(\w)|(\w))x abx y $1-$2 b-
1386 0{50} 000000000000000000000000000000000000000000000000000 y - -
1387 ^a?(?=b)b ab y $& ab # Bug #56690
1388 ^a*(?=b)b ab y $& ab # Bug #56690
1389 />\d+$ \n/ix >10\n y $& >10
1390 />\d+$ \n/ix >1\n y $& >1
1391 /\d+$ \n/ix >10\n y $& 10
1392 />\d\d$ \n/ix >10\n y $& >10
1393 />\d+$ \n/x >10\n y $& >10
1395 # Two regressions in 5.8.x (only) introduced by change 30638
1396 # Simplification of the test failure in XML::LibXML::Simple:
1397 /^\s*i.*?o\s*$/s io\n io y - -
1398 # As reported in #59168 by Father Chrysostomos:
1399 /(.*?)a(?!(a+)b\2c)/ baaabaac y $&-$1 baa-ba
1400 # [perl #60344] Regex lookbehind failure after an (if)then|else in perl 5.10
1401 /\A(?(?=db2)db2|\D+)(?<!processed)\.csv\z/xms sql_processed.csv n - -
1402 /\N{U+0100}/ \x{100} y $& \x{100} # Bug #59328
1403 /[a\N{U+0100}]/ \x{100} y $& \x{100}
1404 /[a\N{U+0100}]/ a y $& a
1406 # Verify that \N{U+...} forces Unicode semantics
1407 /\N{U+41}\x{c1}/i a\x{e1} y $& a\x{e1}
1408 /[\N{U+41}\x{c1}]/i \x{e1} y $& \x{e1}
1410 [\s][\S] \x{a0}\x{a0} n - - # Unicode complements should not match same character
1412 # was generating malformed utf8
1413 '[\x{100}\xff]'i \x{ff} y $& \x{ff}
1415 ((??{ "(?:|)" }))\s C\x20 y - -
1417 # Verify that \ escapes the { after \N, and causes \N to match non-newline
1418 abc\N\{U+BEEF} abc\n{UBEEF} n
1419 abc\N\{U+BEEF} abc.{UBEEF} y $& abc.{UBEEF}
1420 [abc\N\{U+BEEF}] - c - \\N in a character class must be a named character
1422 # Verify that \N can be trailing and causes \N to match non-newline
1423 abc\N abcd y $& abcd
1426 # Verify get errors. For these, we need // or else puts it in single quotes,
1427 # and bypasses the lexer.
1428 /\N{U+}/ - c - Invalid hexadecimal number
1429 # Below currently gives a misleading message
1430 /[\N{U+}]/ - c - Unmatched
1431 /abc\N{def/ - c - Missing right brace
1432 /\N{U+4AG3}/ - c - Illegal hexadecimal digit
1433 /[\N{U+4AG3}]/ - c - Illegal hexadecimal digit
1435 # And verify that in single quotes which bypasses the lexer, the regex compiler
1437 \N{U+} - c - Invalid hexadecimal number
1438 [\N{U+}] - c - Invalid hexadecimal number
1439 \N{U+4AG3} - c - Invalid hexadecimal number
1440 [\N{U+4AG3}] - c - Invalid hexadecimal number
1441 abc\N{def - c - \\N{NAME} must be resolved by the lexer
1443 # Verify that under /x that still cant have space before left brace
1444 /abc\N {U+41}/x - c - Missing braces
1445 /abc\N {SPACE}/x - c - Missing braces
1447 # Verifies catches hex errors, and doesn't expose our . notation to the outside
1448 /\N{U+0xBEEF}/ - c - Illegal hexadecimal digit
1449 /\N{U+BEEF.BEAD}/ - c - Illegal hexadecimal digit
1451 # Verify works in single quotish context; regex compiler delivers slightly different msg
1452 # \N{U+BEEF.BEAD} succeeds here, because can't completely hide it from the outside.
1453 \N{U+0xBEEF} - c - Invalid hexadecimal number
1454 \c` - c - \"\\c`\" is more clearly written simply as \"\\ \"
1455 \c1 - c - \"\\c1\" is more clearly written simply as \"q\"
1458 \400 \x{100} y $& \x{100}
1459 \600 \x{180} y $& \x{180}
1460 \777 \x{1FF} y $& \x{1FF}
1461 [a\400] \x{100} y $& \x{100}
1462 [b\600] \x{180} y $& \x{180}
1463 [c\777] \x{1FF} y $& \x{1FF}
1464 \o{120} \x{50} y $& \x{50}
1465 \o{400} \x{100} y $& \x{100}
1466 \o{1000} \x{200} y $& \x{200}
1467 [a\o{120}] \x{50} y $& \x{50}
1468 [a\o{400}] \x{100} y $& \x{100}
1469 [a\o{1000}] \x{200} y $& \x{200}
1471 # The below was inserting a NULL into the character class.
1476 # Verify that reads 1-3 octal digits, and that \_ works in char class
1478 [\07] \007 y $& \007
1480 [\006] \006 y $& \006
1482 [\0005] \0005 y $& \000
1483 [\0005] 5\000 y $& 5
1487 (q1|.)*(q2|.)*(x(a|bc)*y){2,} xayxay y $& xayxay
1488 (q1|.)*(q2|.)*(x(a|bc)*y){2,3} xayxay y $& xayxay
1489 (q1|z)*(q2|z)*z{15}-.*?(x(a|bc)*y){2,3}Z zzzzzzzzzzzzzzzz-xayxayxayxayZ y $& zzzzzzzzzzzzzzzz-xayxayxayxayZ
1491 (?:(?:)foo|bar|zot|rt78356) foo y $& foo
1492 /\xe0\pL/i \xc0a y $& \xc0a
1493 # vim: softtabstop=0 noexpandtab