3 # This is a home for regular expression tests that don't fit into
4 # the format supported by re/regexp.t. If you want to add a test
5 # that does fit that format, add it to re/re_tests, not here.
19 @INC = ('../lib','.');
21 skip_all_if_miniperl("miniperl can't load Tie::Hash::NamedCapture, need for %+ and %-");
24 run_tests() unless caller;
32 my $message = '\C matches octet';
34 ok(/(.)(\C)(\C)(.)/, $message);
35 is($1, "a", $message);
36 if ($::IS_ASCII) { # ASCII (or equivalent), should be UTF-8
37 is($2, "\xC4", $message);
38 is($3, "\x80", $message);
40 elsif ($::IS_EBCDIC) { # EBCDIC (or equivalent), should be UTF-EBCDIC
41 is($2, "\x8C", $message);
42 is($3, "\x41", $message);
46 ok 0, "Unexpected platform", "ord ('A') =" . ord 'A';
47 skip "Unexpected platform";
50 is($4, "b", $message);
54 my $message = '\C matches octet';
56 ok(/(\C)/g, $message);
58 is($1, "\xC4", $message);
60 elsif ($::IS_EBCDIC) {
61 is($1, "\x8C", $message);
64 ok 0, "Unexpected platform", "ord ('A') = " . ord 'A';
66 ok(/(\C)/g, $message);
68 is($1, "\x80", $message);
70 elsif ($::IS_EBCDIC) {
71 is($1, "\x41", $message);
74 ok 0, "Unexpected platform", "ord ('A') = " . ord 'A';
79 # Japhy -- added 03/03/2001
80 () = (my $str = "abc") =~ /(...)/;
82 is($1, "abc", 'Changing subject does not modify $1');
87 # The trick is that in EBCDIC the explicit numeric range should
88 # match (as also in non-EBCDIC) but the explicit alphabetic range
90 ok "\x8e" =~ /[\x89-\x91]/, '"\x8e" =~ /[\x89-\x91]/';
91 ok "\xce" =~ /[\xc9-\xd1]/, '"\xce" =~ /[\xc9-\xd1]/';
93 skip "Not an EBCDIC platform", 2 unless ord ('i') == 0x89 &&
96 # In most places these tests would succeed since \x8e does not
97 # in most character sets match 'i' or 'j' nor would \xce match
98 # 'I' or 'J', but strictly speaking these tests are here for
99 # the good of EBCDIC, so let's test these only there.
100 unlike("\x8e", qr/[i-j]/, '"\x8e" !~ /[i-j]/');
101 unlike("\xce", qr/[I-J]/, '"\xce" !~ /[I-J]/');
105 ok "\x{ab}" =~ /\x{ab}/, '"\x{ab}" =~ /\x{ab}/ ';
106 ok "\x{abcd}" =~ /\x{abcd}/, '"\x{abcd}" =~ /\x{abcd}/';
110 my $message = 'bug id 20001008.001';
112 my @x = ("stra\337e 138", "stra\337e 138");
114 ok(s/(\d+)\s*([\w\-]+)/$1 . uc $2/e, $message);
115 ok(my ($latin) = /^(.+)(?:\s+\d)/, $message);
116 is($latin, "stra\337e", $message);
117 ok($latin =~ s/stra\337e/straße/, $message);
119 # Previous code follows, but outcommented - there were no tests.
121 # $latin =~ s/stra\337e/straße/; # \303\237 after the 2nd a
122 # use utf8; # needed for the raw UTF-8
123 # $latin =~ s!(s)tr(?:aß|s+e)!$1tr.!; # \303\237 after the a
128 my $message = 'Test \x escapes';
129 ok("ba\xd4c" =~ /([a\xd4]+)/ && $1 eq "a\xd4", $message);
130 ok("ba\xd4c" =~ /([a\xd4]+)/ && $1 eq "a\x{d4}", $message);
131 ok("ba\x{d4}c" =~ /([a\xd4]+)/ && $1 eq "a\x{d4}", $message);
132 ok("ba\x{d4}c" =~ /([a\xd4]+)/ && $1 eq "a\xd4", $message);
133 ok("ba\xd4c" =~ /([a\x{d4}]+)/ && $1 eq "a\xd4", $message);
134 ok("ba\xd4c" =~ /([a\x{d4}]+)/ && $1 eq "a\x{d4}", $message);
135 ok("ba\x{d4}c" =~ /([a\x{d4}]+)/ && $1 eq "a\x{d4}", $message);
136 ok("ba\x{d4}c" =~ /([a\x{d4}]+)/ && $1 eq "a\xd4", $message);
140 my $message = 'Match code points > 255';
141 $_ = "abc\x{100}\x{200}\x{300}\x{380}\x{400}defg";
142 ok(/(.\x{300})./, $message);
143 ok($` eq "abc\x{100}" && length ($`) == 4, $message);
144 ok($& eq "\x{200}\x{300}\x{380}" && length ($&) == 3, $message);
145 ok($' eq "\x{400}defg" && length ($') == 5, $message);
146 ok($1 eq "\x{200}\x{300}" && length ($1) == 2, $message);
150 my $x = "\x{10FFFD}";
152 ok ord($x) == 0x10FFFD && length($x) == 1, "From Robin Houston";
163 while (my ($code, $match) = each %d) {
164 my $message = "Properties of \\x$code";
165 my $char = eval qq ["\\x{$code}"];
167 is(0 + ($char =~ /[\x80-\xff]/), $$match[0], $message);
168 is(0 + ($char =~ /[\x80-\x{100}]/), $$match[1], $message);
169 is(0 + ($char =~ /[\x{100}]/), $$match[2], $message);
175 foreach (qw(c g o)) {
176 warning_like(sub {'' =~ "(?$_)"}, qr/^Useless \(\?$_\)/);
177 warning_like(sub {'' =~ "(?-$_)"}, qr/^Useless \(\?-$_\)/);
180 # Now test multi-error regexes
181 foreach (['(?g-o)', qr/^Useless \(\?g\)/, qr/^Useless \(\?-o\)/],
182 ['(?g-c)', qr/^Useless \(\?g\)/, qr/^Useless \(\?-c\)/],
183 # (?c) means (?g) error won't be thrown
184 ['(?o-cg)', qr/^Useless \(\?o\)/, qr/^Useless \(\?-c\)/],
185 ['(?ogc)', qr/^Useless \(\?o\)/, qr/^Useless \(\?g\)/,
186 qr/^Useless \(\?c\)/],
188 my ($re, @warnings) = @$_;
189 warnings_like(sub {eval "qr/$re/"}, \@warnings, "qr/$re/ warns");
194 my $message = "/x tests";
196 foreach my $pat (<<" --", <<" --") {
209 is(eval $pat, 1, $message);
210 is($@, '', $message);
215 my $message = "/o feature";
216 sub test_o {$_ [0] =~ /$_[1]/o; return $1}
217 is(test_o ('abc', '(.)..'), 'a', $message);
218 is(test_o ('abc', '..(.)'), 'a', $message);
222 # Test basic $^N usage outside of a regex
223 my $message = '$^N usage outside of a regex';
225 ok(($x =~ /cde/ and !defined $^N), $message);
226 ok(($x =~ /(cde)/ and $^N eq "cde"), $message);
227 ok(($x =~ /(c)(d)(e)/ and $^N eq "e"), $message);
228 ok(($x =~ /(c(d)e)/ and $^N eq "cde"), $message);
229 ok(($x =~ /(foo)|(c(d)e)/ and $^N eq "cde"), $message);
230 ok(($x =~ /(c(d)e)|(foo)/ and $^N eq "cde"), $message);
231 ok(($x =~ /(c(d)e)|(abc)/ and $^N eq "abc"), $message);
232 ok(($x =~ /(c(d)e)|(abc)x/ and $^N eq "cde"), $message);
233 ok(($x =~ /(c(d)e)(abc)?/ and $^N eq "cde"), $message);
234 ok(($x =~ /(?:c(d)e)/ and $^N eq "d"), $message);
235 ok(($x =~ /(?:c(d)e)(?:f)/ and $^N eq "d"), $message);
236 ok(($x =~ /(?:([abc])|([def]))*/ and $^N eq "f"), $message);
237 ok(($x =~ /(?:([ace])|([bdf]))*/ and $^N eq "f"), $message);
238 ok(($x =~ /(([ace])|([bd]))*/ and $^N eq "e"), $message);
239 {ok(($x =~ /(([ace])|([bdf]))*/ and $^N eq "f"), $message);}
240 ## Test to see if $^N is automatically localized -- it should now
241 ## have the value set in the previous test.
242 is($^N, "e", '$^N is automatically localized');
244 # Now test inside (?{ ... })
245 $message = '$^N usage inside (?{ ... })';
247 ok(($x =~ /a([abc])(?{$y=$^N})c/ and $y eq "b"), $message);
248 ok(($x =~ /a([abc]+)(?{$y=$^N})d/ and $y eq "bc"), $message);
249 ok(($x =~ /a([abcdefg]+)(?{$y=$^N})d/ and $y eq "bc"), $message);
250 ok(($x =~ /(a([abcdefg]+)(?{$y=$^N})d)(?{$z=$^N})e/ and $y eq "bc"
251 and $z eq "abcd"), $message);
252 ok(($x =~ /(a([abcdefg]+)(?{$y=$^N})de)(?{$z=$^N})/ and $y eq "bc"
253 and $z eq "abcde"), $message);
259 ## Should probably put in tests for all the POSIX stuff,
260 ## but not sure how to guarantee a specific locale......
262 skip "Not an ASCII platform", 2 unless $::IS_ASCII;
263 my $message = 'Test [[:cntrl:]]';
264 my $AllBytes = join "" => map {chr} 0 .. 255;
265 (my $x = $AllBytes) =~ s/[[:cntrl:]]//g;
266 is($x, join("", map {chr} 0x20 .. 0x7E, 0x80 .. 0xFF), $message);
268 ($x = $AllBytes) =~ s/[^[:cntrl:]]//g;
269 is($x, (join "", map {chr} 0x00 .. 0x1F, 0x7F), $message);
273 # With /s modifier UTF8 chars were interpreted as bytes
274 my $message = "UTF-8 chars aren't bytes";
275 my $a = "Hello \x{263A} World";
276 my @a = ($a =~ /./gs);
277 is($#a, 12, $message);
281 my $message = '. matches \n with /s';
282 my $str1 = "foo\nbar";
283 my $str2 = "foo\n\x{100}bar";
284 my ($a, $b) = map {chr} $::IS_ASCII ? (0xc4, 0x80) : (0x8c, 0x41);
286 @a = $str1 =~ /./g; is(@a, 6, $message); is("@a", "f o o b a r", $message);
287 @a = $str1 =~ /./gs; is(@a, 7, $message); is("@a", "f o o \n b a r", $message);
288 @a = $str1 =~ /\C/g; is(@a, 7, $message); is("@a", "f o o \n b a r", $message);
289 @a = $str1 =~ /\C/gs; is(@a, 7, $message); is("@a", "f o o \n b a r", $message);
290 @a = $str2 =~ /./g; is(@a, 7, $message); is("@a", "f o o \x{100} b a r", $message);
291 @a = $str2 =~ /./gs; is(@a, 8, $message); is("@a", "f o o \n \x{100} b a r", $message);
292 @a = $str2 =~ /\C/g; is(@a, 9, $message); is("@a", "f o o \n $a $b b a r", $message);
293 @a = $str2 =~ /\C/gs; is(@a, 9, $message); is("@a", "f o o \n $a $b b a r", $message);
298 # Check that \x## works. 5.6.1 and 5.005_03 fail some of these.
301 ok ($x =~ /^\x4EE$/, "Check only 2 bytes of hex are matched.");
304 ok ($x =~ /^\x4Ei$/, "Check that invalid hex digit stops it (2)");
307 ok ($x =~ /^\x4j$/, "Check that invalid hex digit stops it (1)");
310 ok ($x =~ /^\xk$/, "Check that invalid hex digit stops it (0)");
313 ok ($x =~ /^\xx$/, "\\xx isn't to be treated as \\0");
316 ok ($x =~ /^\xxa$/, "\\xxa isn't to be treated as \\xa");
319 ok ($x =~ /^\x9_b$/, "\\x9_b isn't to be treated as \\x9b");
321 # and now again in [] ranges
324 ok ($x =~ /^[\x4EE]{2}$/, "Check only 2 bytes of hex are matched.");
327 ok ($x =~ /^[\x4Ei]{2}$/, "Check that invalid hex digit stops it (2)");
330 ok ($x =~ /^[\x4j]{2}$/, "Check that invalid hex digit stops it (1)");
333 ok ($x =~ /^[\xk]{2}$/, "Check that invalid hex digit stops it (0)");
336 ok ($x =~ /^[\xx]{2}$/, "\\xx isn't to be treated as \\0");
339 ok ($x =~ /^[\xxa]{3}$/, "\\xxa isn't to be treated as \\xa");
342 ok ($x =~ /^[\x9_b]{3}$/, "\\x9_b isn't to be treated as \\x9b");
344 # Check that \x{##} works. 5.6.1 fails quite a few of these.
347 ok ($x =~ /^\x{9_b}$/, "\\x{9_b} is to be treated as \\x9b");
350 ok ($x =~ /^\x{9_b}y$/, "\\x{9_b} is to be treated as \\x9b (again)");
353 ok ($x =~ /^\x{9b_}y$/, "\\x{9b_} is to be treated as \\x9b");
356 ok ($x =~ /^\x{9_bq}y$/, "\\x{9_bc} is to be treated as \\x9b");
359 ok ($x =~ /^\x{x9b}y$/, "\\x{x9b} is to be treated as \\x0");
362 ok ($x =~ /^\x{0x9b}y$/, "\\x{0x9b} is to be treated as \\x0");
365 ok ($x =~ /^\x{09b}y$/, "\\x{09b} is to be treated as \\x9b");
368 ok ($x =~ /^[\x{9_b}]$/, "\\x{9_b} is to be treated as \\x9b");
371 ok ($x =~ /^[\x{9_b}y]{2}$/,
372 "\\x{9_b} is to be treated as \\x9b (again)");
375 ok ($x =~ /^[\x{9b_}y]{2}$/, "\\x{9b_} is to be treated as \\x9b");
378 ok ($x =~ /^[\x{9_bq}y]{2}$/, "\\x{9_bc} is to be treated as \\x9b");
381 ok ($x =~ /^[\x{x9b}y]{2}$/, "\\x{x9b} is to be treated as \\x0");
384 ok ($x =~ /^[\x{0x9b}y]{2}$/, "\\x{0x9b} is to be treated as \\x0");
387 ok ($x =~ /^[\x{09b}y]{2}$/, "\\x{09b} is to be treated as \\x9b");
392 # High bit bug -- japhy
394 ok $x =~ /.*?\200/, "High bit fine";
398 # The basic character classes and Unicode
399 ok "\x{0100}" =~ /\w/, 'LATIN CAPITAL LETTER A WITH MACRON in /\w/';
400 ok "\x{0660}" =~ /\d/, 'ARABIC-INDIC DIGIT ZERO in /\d/';
401 ok "\x{1680}" =~ /\s/, 'OGHAM SPACE MARK in /\s/';
405 my $message = "Folding matches and Unicode";
406 like("a\x{100}", qr/A/i, $message);
407 like("A\x{100}", qr/a/i, $message);
408 like("a\x{100}", qr/a/i, $message);
409 like("A\x{100}", qr/A/i, $message);
410 like("\x{101}a", qr/\x{100}/i, $message);
411 like("\x{100}a", qr/\x{100}/i, $message);
412 like("\x{101}a", qr/\x{101}/i, $message);
413 like("\x{100}a", qr/\x{101}/i, $message);
414 like("a\x{100}", qr/A\x{100}/i, $message);
415 like("A\x{100}", qr/a\x{100}/i, $message);
416 like("a\x{100}", qr/a\x{100}/i, $message);
417 like("A\x{100}", qr/A\x{100}/i, $message);
418 like("a\x{100}", qr/[A]/i, $message);
419 like("A\x{100}", qr/[a]/i, $message);
420 like("a\x{100}", qr/[a]/i, $message);
421 like("A\x{100}", qr/[A]/i, $message);
422 like("\x{101}a", qr/[\x{100}]/i, $message);
423 like("\x{100}a", qr/[\x{100}]/i, $message);
424 like("\x{101}a", qr/[\x{101}]/i, $message);
425 like("\x{100}a", qr/[\x{101}]/i, $message);
429 use charnames ':full';
430 my $message = "Folding 'LATIN LETTER A WITH GRAVE'";
432 my $lower = "\N{LATIN SMALL LETTER A WITH GRAVE}";
433 my $UPPER = "\N{LATIN CAPITAL LETTER A WITH GRAVE}";
435 like($lower, qr/$UPPER/i, $message);
436 like($UPPER, qr/$lower/i, $message);
437 like($lower, qr/[$UPPER]/i, $message);
438 like($UPPER, qr/[$lower]/i, $message);
440 $message = "Folding 'GREEK LETTER ALPHA WITH VRACHY'";
442 $lower = "\N{GREEK CAPITAL LETTER ALPHA WITH VRACHY}";
443 $UPPER = "\N{GREEK SMALL LETTER ALPHA WITH VRACHY}";
445 like($lower, qr/$UPPER/i, $message);
446 like($UPPER, qr/$lower/i, $message);
447 like($lower, qr/[$UPPER]/i, $message);
448 like($UPPER, qr/[$lower]/i, $message);
450 $message = "Folding 'LATIN LETTER Y WITH DIAERESIS'";
452 $lower = "\N{LATIN SMALL LETTER Y WITH DIAERESIS}";
453 $UPPER = "\N{LATIN CAPITAL LETTER Y WITH DIAERESIS}";
455 like($lower, qr/$UPPER/i, $message);
456 like($UPPER, qr/$lower/i, $message);
457 like($lower, qr/[$UPPER]/i, $message);
458 like($UPPER, qr/[$lower]/i, $message);
462 use charnames ':full';
463 my $message = "GREEK CAPITAL LETTER SIGMA vs " .
464 "COMBINING GREEK PERISPOMENI";
466 my $SIGMA = "\N{GREEK CAPITAL LETTER SIGMA}";
467 my $char = "\N{COMBINING GREEK PERISPOMENI}";
469 warning_is(sub {unlike("_:$char:_", qr/_:$SIGMA:_/i, $message)}, undef,
470 'Did not warn [change a5961de5f4215b5c]');
475 use charnames ':full';
477 ok("a!" =~ /^(\X)!/ && $1 eq "a", $message);
478 ok("\xDF!" =~ /^(\X)!/ && $1 eq "\xDF", $message);
479 ok("\x{100}!" =~ /^(\X)!/ && $1 eq "\x{100}", $message);
480 ok("\x{100}\x{300}!" =~ /^(\X)!/ && $1 eq "\x{100}\x{300}", $message);
481 ok("\N{LATIN CAPITAL LETTER E}!" =~ /^(\X)!/ &&
482 $1 eq "\N{LATIN CAPITAL LETTER E}", $message);
483 ok("\N{LATIN CAPITAL LETTER E}\N{COMBINING GRAVE ACCENT}!"
485 $1 eq "\N{LATIN CAPITAL LETTER E}\N{COMBINING GRAVE ACCENT}", $message);
487 $message = '\C and \X';
488 like("!abc!", qr/a\Cc/, $message);
489 like("!abc!", qr/a\Xc/, $message);
493 my $message = "Final Sigma";
495 my $SIGMA = "\x{03A3}"; # CAPITAL
496 my $Sigma = "\x{03C2}"; # SMALL FINAL
497 my $sigma = "\x{03C3}"; # SMALL
499 like($SIGMA, qr/$SIGMA/i, $message);
500 like($SIGMA, qr/$Sigma/i, $message);
501 like($SIGMA, qr/$sigma/i, $message);
503 like($Sigma, qr/$SIGMA/i, $message);
504 like($Sigma, qr/$Sigma/i, $message);
505 like($Sigma, qr/$sigma/i, $message);
507 like($sigma, qr/$SIGMA/i, $message);
508 like($sigma, qr/$Sigma/i, $message);
509 like($sigma, qr/$sigma/i, $message);
511 like($SIGMA, qr/[$SIGMA]/i, $message);
512 like($SIGMA, qr/[$Sigma]/i, $message);
513 like($SIGMA, qr/[$sigma]/i, $message);
515 like($Sigma, qr/[$SIGMA]/i, $message);
516 like($Sigma, qr/[$Sigma]/i, $message);
517 like($Sigma, qr/[$sigma]/i, $message);
519 like($sigma, qr/[$SIGMA]/i, $message);
520 like($sigma, qr/[$Sigma]/i, $message);
521 like($sigma, qr/[$sigma]/i, $message);
523 $message = "More final Sigma";
525 my $S3 = "$SIGMA$Sigma$sigma";
527 ok(":$S3:" =~ /:(($SIGMA)+):/i && $1 eq $S3 && $2 eq $sigma, $message);
528 ok(":$S3:" =~ /:(($Sigma)+):/i && $1 eq $S3 && $2 eq $sigma, $message);
529 ok(":$S3:" =~ /:(($sigma)+):/i && $1 eq $S3 && $2 eq $sigma, $message);
531 ok(":$S3:" =~ /:(([$SIGMA])+):/i && $1 eq $S3 && $2 eq $sigma, $message);
532 ok(":$S3:" =~ /:(([$Sigma])+):/i && $1 eq $S3 && $2 eq $sigma, $message);
533 ok(":$S3:" =~ /:(([$sigma])+):/i && $1 eq $S3 && $2 eq $sigma, $message);
537 use charnames ':full';
538 my $message = "Parlez-Vous " .
539 "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais?";
541 ok("Fran\N{LATIN SMALL LETTER C}ais" =~ /Fran.ais/ &&
542 $& eq "Francais", $message);
543 ok("Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais" =~ /Fran.ais/ &&
544 $& eq "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais", $message);
545 ok("Fran\N{LATIN SMALL LETTER C}ais" =~ /Fran\Cais/ &&
546 $& eq "Francais", $message);
547 # COMBINING CEDILLA is two bytes when encoded
548 like("Franc\N{COMBINING CEDILLA}ais", qr/Franc\C\Cais/, $message);
549 ok("Fran\N{LATIN SMALL LETTER C}ais" =~ /Fran\Xais/ &&
550 $& eq "Francais", $message);
551 ok("Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais" =~ /Fran\Xais/ &&
552 $& eq "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais", $message);
553 ok("Franc\N{COMBINING CEDILLA}ais" =~ /Fran\Xais/ &&
554 $& eq "Franc\N{COMBINING CEDILLA}ais", $message);
555 ok("Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais" =~
556 /Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais/ &&
557 $& eq "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais", $message);
558 ok("Franc\N{COMBINING CEDILLA}ais" =~ /Franc\N{COMBINING CEDILLA}ais/ &&
559 $& eq "Franc\N{COMBINING CEDILLA}ais", $message);
562 ["Fran\N{LATIN SMALL LETTER C}ais", "Francais"],
563 ["Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais",
564 "Fran\N{LATIN SMALL LETTER C WITH CEDILLA}ais"],
565 ["Franc\N{COMBINING CEDILLA}ais", "Franc\N{COMBINING CEDILLA}ais"],
567 foreach my $entry (@f) {
568 my ($subject, $match) = @$entry;
569 ok($subject =~ /Fran(?:c\N{COMBINING CEDILLA}?|
570 \N{LATIN SMALL LETTER C WITH CEDILLA})ais/x &&
571 $& eq $match, $message);
576 my $message = "Lingering (and useless) UTF8 flag doesn't mess up /i";
578 my $str = "abcDE\x{100}";
580 like($str, qr/$pat/i, $message);
582 $pat = "ABcde\x{100}";
585 like($str, qr/$pat/i, $message);
587 $pat = "ABcde\x{100}";
588 $str = "abcDE\x{100}";
591 like($str, qr/$pat/i, $message);
595 use charnames ':full';
596 my $message = "LATIN SMALL LETTER SHARP S " .
597 "(\N{LATIN SMALL LETTER SHARP S})";
599 like("\N{LATIN SMALL LETTER SHARP S}",
600 qr/\N{LATIN SMALL LETTER SHARP S}/, $message);
601 like("\N{LATIN SMALL LETTER SHARP S}",
602 qr/\N{LATIN SMALL LETTER SHARP S}/i, $message);
603 like("\N{LATIN SMALL LETTER SHARP S}",
604 qr/[\N{LATIN SMALL LETTER SHARP S}]/, $message);
605 like("\N{LATIN SMALL LETTER SHARP S}",
606 qr/[\N{LATIN SMALL LETTER SHARP S}]/i, $message);
608 like("ss", qr /\N{LATIN SMALL LETTER SHARP S}/i, $message);
609 like("SS", qr /\N{LATIN SMALL LETTER SHARP S}/i, $message);
610 like("ss", qr/[\N{LATIN SMALL LETTER SHARP S}]/i, $message);
611 like("SS", qr/[\N{LATIN SMALL LETTER SHARP S}]/i, $message);
613 like("\N{LATIN SMALL LETTER SHARP S}", qr/ss/i, $message);
614 like("\N{LATIN SMALL LETTER SHARP S}", qr/SS/i, $message);
616 $message = "Unoptimized named sequence in class";
617 like("ss", qr/[\N{LATIN SMALL LETTER SHARP S}x]/i, $message);
618 like("SS", qr/[\N{LATIN SMALL LETTER SHARP S}x]/i, $message);
619 like("\N{LATIN SMALL LETTER SHARP S}",
620 qr/[\N{LATIN SMALL LETTER SHARP S}x]/, $message);
621 like("\N{LATIN SMALL LETTER SHARP S}",
622 qr/[\N{LATIN SMALL LETTER SHARP S}x]/i, $message);
626 # More whitespace: U+0085, U+2028, U+2029\n";
628 # U+0085, U+00A0 need to be forced to be Unicode, the \x{100} does that.
630 skip "EBCDIC platform", 4 if $::IS_EBCDIC;
631 # Do \x{0015} and \x{0041} match \s in EBCDIC?
632 ok "<\x{100}\x{0085}>" =~ /<\x{100}\s>/, '\x{0085} in \s';
633 ok "<\x{0085}>" =~ /<\v>/, '\x{0085} in \v';
634 ok "<\x{100}\x{00A0}>" =~ /<\x{100}\s>/, '\x{00A0} in \s';
635 ok "<\x{00A0}>" =~ /<\h>/, '\x{00A0} in \h';
637 my @h = map {sprintf "%05x" => $_} 0x01680, 0x0180E, 0x02000 .. 0x0200A,
638 0x0202F, 0x0205F, 0x03000;
639 my @v = map {sprintf "%05x" => $_} 0x02028, 0x02029;
641 my @H = map {sprintf "%05x" => $_} 0x01361, 0x0200B, 0x02408, 0x02420,
643 my @V = map {sprintf "%05x" => $_} 0x0008A .. 0x0008D, 0x00348, 0x10100,
647 my $str = eval qq ["<\\x{$hex}>"];
648 ok $str =~ /<\s>/, "\\x{$hex} in \\s";
649 ok $str =~ /<\h>/, "\\x{$hex} in \\h";
650 ok $str !~ /<\v>/, "\\x{$hex} not in \\v";
654 my $str = eval qq ["<\\x{$hex}>"];
655 ok $str =~ /<\s>/, "\\x{$hex} in \\s";
656 ok $str =~ /<\v>/, "\\x{$hex} in \\v";
657 ok $str !~ /<\h>/, "\\x{$hex} not in \\h";
661 my $str = eval qq ["<\\x{$hex}>"];
662 ok $str =~ /<\S>/, "\\x{$hex} in \\S";
663 ok $str =~ /<\H>/, "\\x{$hex} in \\H";
667 my $str = eval qq ["<\\x{$hex}>"];
668 ok $str =~ /<\S>/, "\\x{$hex} in \\S";
669 ok $str =~ /<\V>/, "\\x{$hex} in \\V";
674 # . with /s should work on characters, as opposed to bytes
675 my $message = ". with /s works on characters, not bytes";
677 my $s = "\x{e4}\x{100}";
678 # This is not expected to match: the point is that
679 # neither should we get "Malformed UTF-8" warnings.
680 warning_is(sub {$s =~ /\G(.+?)\n/gcs}, undef,
681 "No 'Malformed UTF-8' warning");
684 push @c => $1 while $s =~ /\G(.)/gs;
687 is("@c", $s, $message);
689 # Test only chars < 256
690 my $t1 = "Q003\n\n\x{e4}\x{f6}\n\nQ004\n\n\x{e7}";
692 while ($t1 =~ / \G ( .+? ) \n\s+ ( .+? ) ( $ | \n\s+ ) /xgcs) {
696 my $t2 = $t1 . "\x{100}"; # Repeat with a larger char
698 while ($t2 =~ / \G ( .+? ) \n\s+ ( .+? ) ( $ | \n\s+ ) /xgcs) {
703 is($r1, $r2, $message);
707 my $message = "Unicode lookbehind";
708 like("A\x{100}B" , qr/(?<=A.)B/, $message);
709 like("A\x{200}\x{300}B", qr/(?<=A..)B/, $message);
710 like("\x{400}AB" , qr/(?<=\x{400}.)B/, $message);
711 like("\x{500}\x{600}B" , qr/(?<=\x{500}.)B/, $message);
713 # Original code also contained:
714 # ok "\x{500\x{600}}B" =~ /(?<=\x{500}.)B/;
715 # but that looks like a typo.
719 my $message = 'UTF-8 hash keys and /$/';
720 # http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters
721 # /2002-01/msg01327.html
724 my $v = substr ($u, 0, 1);
725 my $w = substr ($u, 1, 1);
726 my %u = ($u => $u, $v => $v, $w => $w);
728 my $m1 = /^\w*$/ ? 1 : 0;
729 my $m2 = $u {$_} =~ /^\w*$/ ? 1 : 0;
730 is($m1, $m2, $message);
735 my $message = "No SEGV in s/// and UTF-8";
736 my $s = "s#\x{100}" x 4;
737 ok($s =~ s/[^\w]/ /g, $message);
738 if ( 1 or $ENV{PERL_TEST_LEGACY_POSIX_CC} ) {
739 is($s, "s \x{100}" x 4, $message);
742 is($s, "s " x 4, $message);
747 my $message = "UTF-8 bug (maybe already known?)";
750 is($u, "\x{100}\x{100}\x{100}", $message);
753 $u =~ s/[ao]/\x{100}/g;
754 is($u, "f\x{100}\x{100}b\x{100}r", $message);
757 is($u, "feeber", $message);
761 my $message = "UTF-8 bug with s///";
762 # check utf8/non-utf8 mixtures
763 # try to force all float/anchored check combinations
767 for my $re ("xx.*$c", "x.*$c$c", "$c.*xx", "$c$c.*x",
768 "xx.*(?=$c)", "(?=$c).*xx",) {
769 unlike("xxx", qr/$re/, $message);
770 ok(+($subst = "xxx") !~ s/$re//, $message);
772 for my $re ("xx.*$c*", "$c*.*xx") {
773 like("xxx", qr/$re/, $message);
774 ok(+($subst = "xxx") =~ s/$re//, $message);
775 is($subst, "", $message);
777 for my $re ("xxy*", "y*xx") {
778 like("xx$c", qr/$re/, $message);
779 ok(+($subst = "xx$c") =~ s/$re//, $message);
780 is($subst, $c, $message);
781 unlike("xy$c", qr/$re/, $message);
782 ok(+($subst = "xy$c") !~ s/$re//, $message);
784 for my $re ("xy$c*z", "x$c*yz") {
785 like("xyz", qr/$re/, $message);
786 ok(+($subst = "xyz") =~ s/$re//, $message);
787 is($subst, "", $message);
792 # The second half of RT #114808
793 warning_is(sub {'aa' =~ /.+\x{100}/}, undef,
794 'utf8-only floating substr, non-utf8 target, no warning');
798 my $message = "qr /.../x";
799 my $R = qr / A B C # D E/x;
800 ok("ABCDE" =~ $R && $& eq "ABC", $message);
801 ok("ABCDE" =~ /$R/ && $& eq "ABC", $message);
802 ok("ABCDE" =~ m/$R/ && $& eq "ABC", $message);
803 ok("ABCDE" =~ /($R)/ && $1 eq "ABC", $message);
804 ok("ABCDE" =~ m/($R)/ && $1 eq "ABC", $message);
810 utf8::upgrade($_); chop $_; $\="\n";
811 ok /[^\s]+/, 'm/[^\s]/ utf8';
812 ok /[^\d]+/, 'm/[^\d]/ utf8';
813 ok +($a = $_, $_ =~ s/[^\s]+/./g), 's/[^\s]/ utf8';
814 ok +($a = $_, $a =~ s/[^\d]+/./g), 's/[^\s]/ utf8';
818 # Subject: Odd regexp behavior
819 # From: Markus Kuhn <Markus.Kuhn@cl.cam.ac.uk>
820 # Date: Wed, 26 Feb 2003 16:53:12 +0000
821 # Message-Id: <E18o4nw-0008Ly-00@wisbech.cl.cam.ac.uk>
822 # To: perl-unicode@perl.org
824 my $message = 'Markus Kuhn 2003-02-26';
826 my $x = "\x{2019}\nk";
827 ok($x =~ s/(\S)\n(\S)/$1 $2/sg, $message);
828 is($x, "\x{2019} k", $message);
831 ok($x =~ s/(\S)\n(\S)/$1 $2/sg, $message);
832 is($x, "b k", $message);
834 like("\x{2019}", qr/\S/, $message);
838 ok "\x{100}\n" =~ /\x{100}\n$/, "UTF-8 length cache and fbm_compile";
843 use overload q /""/ => sub {${$_ [0]};};
844 sub new {my ($c, $v) = @_; bless \$v, $c;}
847 $_ = Str -> new ("a\x{100}/\x{100}b");
848 ok join (":", /\b(.)\x{100}/g) eq "a:/", "re_intuit_start and PL_bostr";
852 my $re = qq /^([^X]*)X/;
854 ok "\x{100}X" =~ /$re/, "S_cl_and ANYOF_UNICODE & ANYOF_INVERTED";
855 my $loc_re = qq /(?l:^([^X]*)X)/;
856 utf8::upgrade ($loc_re);
857 ok "\x{100}X" =~ /$loc_re/, "locale, S_cl_and ANYOF_UNICODE & ANYOF_INVERTED";
861 ok "123\x{100}" =~ /^.*1.*23\x{100}$/,
862 'UTF-8 + multiple floating substr';
866 my $message = '<20030808193656.5109.1@llama.ni-s.u-net.com>';
868 # LATIN SMALL/CAPITAL LETTER A WITH MACRON
869 like(" \x{101}", qr/\x{100}/i, $message);
871 # LATIN SMALL/CAPITAL LETTER A WITH RING BELOW
872 like(" \x{1E01}", qr/\x{1E00}/i, $message);
874 # DESERET SMALL/CAPITAL LETTER LONG I
875 like(" \x{10428}", qr/\x{10400}/i, $message);
877 # LATIN SMALL/CAPITAL LETTER A WITH RING BELOW + 'X'
878 like(" \x{1E01}x", qr/\x{1E00}X/i, $message);
882 for (120 .. 130, 240 .. 260) {
884 my $message = q [Don't misparse \x{...} in regexp ] .
885 q [near EXACT char count limit];
886 for my $tail ('\x{0061}', '\x{1234}', '\x61') {
887 eval qq{like("$head$tail", qr/$head$tail/, \$message)};
888 is($@, '', $message);
890 $message = q [Don't misparse \N{...} in regexp ] .
891 q [near EXACT char count limit];
892 for my $tail ('\N{SNOWFLAKE}') {
893 eval qq {use charnames ':full';
894 like("$head$tail", qr/$head$tail/, \$message)};
895 is($@, '', $message);
902 "words" =~ /(word|word|word)(?{push @got, $1})s$/;
903 is(@got, 1, "TRIE optimisation");
906 "words" =~ /(word|word|word)(?{push @got,$1})s$/i;
907 is(@got, 1,"TRIEF optimisation");
909 my @nums = map {int rand 1000} 1 .. 100;
910 my $re = "(" . (join "|", @nums) . ")";
914 ok $_ =~ /$re/, "Trie nums";
917 $_ = join " ", @nums;
919 push @got, $1 while /$re/g;
922 $count {$_} ++ for @got;
925 $ok = 0 if --$count {$_} < 0;
927 ok $ok, "Trie min count matches";
932 # LATIN SMALL/CAPITAL LETTER A WITH MACRON
933 ok "foba \x{101}foo" =~ qr/(foo|\x{100}foo|bar)/i &&
935 "TRIEF + LATIN SMALL/CAPITAL LETTER A WITH MACRON";
937 # LATIN SMALL/CAPITAL LETTER A WITH RING BELOW
938 ok "foba \x{1E01}foo" =~ qr/(foo|\x{1E00}foo|bar)/i &&
940 "TRIEF + LATIN SMALL/CAPITAL LETTER A WITH RING BELOW";
942 # DESERET SMALL/CAPITAL LETTER LONG I
943 ok "foba \x{10428}foo" =~ qr/(foo|\x{10400}foo|bar)/i &&
944 $1 eq "\x{10428}foo",
945 "TRIEF + DESERET SMALL/CAPITAL LETTER LONG I";
947 # LATIN SMALL/CAPITAL LETTER A WITH RING BELOW + 'X'
948 ok "foba \x{1E01}xfoo" =~ qr/(foo|\x{1E00}Xfoo|bar)/i &&
949 $1 eq "\x{1E01}xfoo",
950 "TRIEF + LATIN SMALL/CAPITAL LETTER A WITH RING BELOW + 'X'";
952 use charnames ':full';
954 my $s = "\N{LATIN SMALL LETTER SHARP S}";
955 ok "foba ba$s" =~ qr/(foo|Ba$s|bar)/i && $1 eq "ba$s",
956 "TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
957 ok "foba ba$s" =~ qr/(Ba$s|foo|bar)/i && $1 eq "ba$s",
958 "TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
959 ok "foba ba$s" =~ qr/(foo|bar|Ba$s)/i && $1 eq "ba$s",
960 "TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
962 ok "foba ba$s" =~ qr/(foo|Bass|bar)/i && $1 eq "ba$s",
963 "TRIEF + LATIN SMALL LETTER SHARP S =~ ss";
965 ok "foba ba$s" =~ qr/(foo|BaSS|bar)/i && $1 eq "ba$s",
966 "TRIEF + LATIN SMALL LETTER SHARP S =~ SS";
968 ok "foba ba${s}pxySS$s$s" =~ qr/(b(?:a${s}t|a${s}f|a${s}p)[xy]+$s*)/i
969 && $1 eq "ba${s}pxySS$s$s",
970 "COMMON PREFIX TRIEF + LATIN SMALL LETTER SHARP S";
979 ok 'fooB' =~ /\N{foo}[\N{B}\N{b}]/, "Passthrough charname";
980 my $name = "foo\xDF";
981 my $result = eval "'A${name}B' =~ /^A\\N{$name}B\$/";
982 ok !$@ && $result, "Passthrough charname of non-ASCII, Latin1";
984 # Why doesn't must_warn work here?
987 local $SIG {__WARN__} = sub {$w .= "@_"};
988 eval 'q(xxWxx) =~ /[\N{WARN}]/';
989 ok $w && $w =~ /Using just the first character returned by \\N\{} in character class/,
990 "single character in [\\N{}] warning";
993 eval q [ok "\0" !~ /[\N{EMPTY-STR}XY]/,
994 "Zerolength charname in charclass doesn't match \\\\0"];
995 ok $w && $w =~ /Ignoring zero length/,
996 'Ignoring zero length \N{} in character class warning';
998 eval q [ok 'xy' =~ /x[\N{EMPTY-STR} y]/x,
999 'Empty string charname in [] is ignored; finds a following character'];
1000 ok $w && $w =~ /Ignoring zero length/,
1001 'Ignoring zero length \N{} in character class warning';
1003 eval q [ok 'x ' =~ /x[\N{EMPTY-STR} y]/,
1004 'Empty string charname in [] is ignored; finds a following blank under /x'];
1005 ok $w && $w =~ /Ignoring zero length/,
1006 'Ignoring zero length \N{} in character class warning';
1008 ok 'AB' =~ /(\N{EVIL})/ && $1 eq 'A', 'Charname caching $1';
1009 ok 'ABC' =~ /(\N{EVIL})/, 'Charname caching $1';
1010 ok 'xy' =~ /x\N{EMPTY-STR}y/,
1011 'Empty string charname produces NOTHING node';
1012 ok '' =~ /\N{EMPTY-STR}/,
1013 'Empty string charname produces NOTHING node';
1014 ok "\N{LONG-STR}" =~ /^\N{LONG-STR}$/, 'Verify that long string works';
1015 ok "\N{LONG-STR}" =~ /^\N{LONG-STR}$/i, 'Verify under folding that long string works';
1017 eval '/(?[[\N{EMPTY-STR}]])/';
1018 ok $@ && $@ =~ /Zero length \\N\{}/;
1021 eval q [is("\N{TOO MANY SPACES}", "TOO MANY SPACES", "Multiple spaces in character name works")];
1022 like ($w, qr/A sequence of multiple spaces in a charnames alias definition is deprecated/, "... but returns a deprecation warning");
1023 eval q [use utf8; is("\N{TOO MANY SPACES}", "TOO MANY SPACES", "Same under 'use utf8': they work")];
1024 like ($w, qr/A sequence of multiple spaces in a charnames alias definition is deprecated/, "... but return a deprecation warning");
1026 # disable lexical warnings
1027 BEGIN { ${^WARNING_BITS} = undef; $^W = 0 }
1029 () = eval q ["\N{TOO MANY SPACES}"];
1030 like ($w, qr/A sequence of multiple spaces in a charnames alias definition is deprecated/, "... and returns a deprecation warning outside of lexical warnings");
1032 eval q [use utf8; () = "\N{TOO MANY SPACES}"];
1033 like ($w, qr/A sequence of multiple spaces in a charnames alias definition is deprecated/, "... same under utf8");
1036 no warnings 'deprecated';
1038 eval q ["\N{TOO MANY SPACES}"];
1039 ok (! defined $w, "... and no warning if warnings are off");
1040 eval q [use utf8; "\N{TOO MANY SPACES}"];
1041 ok (! defined $w, "... same under 'use utf8'");
1045 eval q [is("\N{TRAILING SPACE }", "TRAILING SPACE ", "Trailing space in character name works")];
1046 like ($w, qr/Trailing white-space in a charnames alias definition is deprecated/, "... but returns a deprecation warning");
1047 eval q [use utf8; is("\N{TRAILING SPACE }", "TRAILING SPACE ", "Same under 'use utf8': they work")];
1048 like ($w, qr/Trailing white-space in a charnames alias definition is deprecated/, "... but returns a deprecation warning");
1050 # disable lexical warnings
1051 BEGIN { ${^WARNING_BITS} = undef; $^W = 0 }
1053 () = eval q ["\N{TRAILING SPACE }"];
1054 like ($w, qr/Trailing white-space in a charnames alias definition is deprecated/, "... and returns a deprecation warning outside of lexical warnings");
1056 eval q [use utf8; () = "\N{TRAILING SPACE }"];
1057 like ($w, qr/Trailing white-space in a charnames alias definition is deprecated/, "... same under utf8");
1060 no warnings 'deprecated';
1062 eval q ["\N{TRAILING SPACE }"];
1063 ok (! defined $w, "... and no warning if warnings are off");
1064 eval q [use utf8; "\N{TRAILING SPACE }"];
1065 ok (! defined $w, "... same under 'use utf8'");
1068 # If remove the limitation in regcomp code these should work
1071 eval q [ok "\N{TOO-LONG-STR}" =~ /^\N{TOO-LONG-STR}$/, 'Verify that what once was too long a string works'];
1072 eval 'q(syntax error) =~ /\N{MALFORMED}/';
1073 ok $@ && $@ =~ /Malformed/, 'Verify that malformed utf8 gives an error';
1074 eval 'q() =~ /\N{4F}/';
1075 ok $@ && $@ =~ /Invalid character/, 'Verify that leading digit in name gives error';
1076 eval 'q() =~ /\N{COM,MA}/';
1077 ok $@ && $@ =~ /Invalid character/, 'Verify that comma in name gives error';
1079 eval "q(W) =~ /\\N{$name}/";
1080 ok $@ && $@ =~ /Invalid character/, 'Verify that latin1 symbol in name gives error';
1081 my $utf8_name = "7 CITIES OF GOLD";
1082 utf8::upgrade($utf8_name);
1083 eval "use utf8; q(W) =~ /\\N{$utf8_name}/";
1084 ok $@ && $@ =~ /Invalid character/, 'Verify that leading digit in utf8 name gives error';
1085 $utf8_name = "SHARP #";
1086 utf8::upgrade($utf8_name);
1087 eval "use utf8; q(W) =~ /\\N{$utf8_name}/";
1088 ok $@ && $@ =~ /Invalid character/, 'Verify that ASCII symbol in utf8 name gives error';
1089 $utf8_name = "A HOUSE \xF7 AGAINST ITSELF";
1090 utf8::upgrade($utf8_name);
1091 eval "use utf8; q(W) =~ /\\N{$utf8_name}/";
1092 ok $@ && $@ =~ /Invalid character/, 'Verify that latin1 symbol in utf8 name gives error';
1093 $utf8_name = "\x{664} HORSEMEN}";
1094 eval "use utf8; q(W) =~ /\\N{$utf8_name}/";
1095 ok $@ && $@ =~ /Invalid character/, 'Verify that leading above Latin1 digit in utf8 name gives error';
1096 $utf8_name = "A \x{1F4A9} WOULD SMELL AS SWEET}";
1097 eval "use utf8; q(W) =~ /\\N{$utf8_name}/";
1098 ok $@ && $@ =~ /Invalid character/, 'Verify that above Latin1 symbol in utf8 name gives error';
1102 eval "q(W) =~ /\\N{$name}/";
1103 ok ! $w, 'Verify that latin1 letter in name doesnt give warning';
1105 # This tests the code path that restarts the parse when the recursive
1106 # call to S_reg() from within S_grok_bslash_N() discovers that the
1107 # pattern needs to be recalculated as UTF-8. use eval to avoid
1108 # needing literal Unicode in this source file:
1109 my $r = eval "qr/\\N{\x{100}\x{100}}/";
1110 isnt $r, undef, "Generated regex for multi-char UTF-8 charname"
1112 ok "\x{100}\x{100}" =~ $r, "which matches";
1116 use charnames ':full';
1118 ok 'aabc' !~ /a\N{PLUS SIGN}b/, '/a\N{PLUS SIGN}b/ against aabc';
1119 ok 'a+bc' =~ /a\N{PLUS SIGN}b/, '/a\N{PLUS SIGN}b/ against a+bc';
1121 ok ' A B' =~ /\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}/,
1122 'Intermixed named and unicode escapes';
1123 ok "\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}" =~
1124 /\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}/,
1125 'Intermixed named and unicode escapes';
1126 ok "\N{SPACE}\N{U+0041}\N{SPACE}\N{U+0042}" =~
1127 /[\N{SPACE}\N{U+0041}][\N{SPACE}\N{U+0042}]/,
1128 'Intermixed named and unicode escapes';
1129 ok "\0" =~ /^\N{NULL}$/, 'Verify that \N{NULL} works; is not confused with an error';
1135 { (?> [^{}]+ | (??{ $brackets }) )* }
1138 ok "{b{c}d" !~ m/^((??{ $brackets }))/, "Bracket mismatch";
1150 <<stuff1>and<stuff2>><<<<right>>>>
1153 local $_ = '<<<stuff1>and<stuff2>><<<<right>>>>>';
1154 ok /^(<((?:(?>[^<>]+)|(?1))*)>(?{push @stack, $2 }))$/,
1155 "Recursion matches";
1156 is(@stack, @expect, "Right amount of matches")
1157 or skip "Won't test individual results as count isn't equal",
1160 foreach my $expect (@expect) {
1161 is($stack [$idx], $expect,
1162 "Expecting '$expect' at stack pos #$idx");
1169 my $s = '123453456';
1170 $s =~ s/(?<digits>\d+)\k<digits>/$+{digits}/;
1171 ok $s eq '123456', 'Named capture (angle brackets) s///';
1173 $s =~ s/(?'digits'\d+)\k'digits'/$+{digits}/;
1174 ok $s eq '123456', 'Named capture (single quotes) s///';
1179 pack('U', 0x00F1), # n-tilde
1180 '_'.pack('U', 0x00F1), # _ + n-tilde
1181 'c'.pack('U', 0x0327), # c + cedilla
1182 pack('U*', 0x00F1, 0x0327), # n-tilde + cedilla
1183 pack('U', 0x0391), # ALPHA
1184 pack('U', 0x0391).'2', # ALPHA + 2
1185 pack('U', 0x0391).'_', # ALPHA + _
1188 for my $uni (@ary) {
1189 my ($r1, $c1, $r2, $c2) = eval qq {
1191 scalar ("..foo foo.." =~ /(?'${uni}'foo) \\k'${uni}'/),
1193 scalar ("..bar bar.." =~ /(?<${uni}>bar) \\k<${uni}>/),
1196 ok $r1, "Named capture UTF (?'')";
1197 ok defined $c1 && $c1 eq 'foo', "Named capture UTF \%+";
1198 ok $r2, "Named capture UTF (?<>)";
1199 ok defined $c2 && $c2 eq 'bar', "Named capture UTF \%+";
1204 my $s = 'foo bar baz';
1206 if ('1234' =~ /(?<A>1)(?<B>2)(?<A>3)(?<B>4)/) {
1207 foreach my $name (sort keys(%-)) {
1208 my $ary = $- {$name};
1209 foreach my $idx (0 .. $#$ary) {
1210 push @res, "$name:$idx:$ary->[$idx]";
1214 my @expect = qw (A:0:1 A:1:3 B:0:2 B:1:4);
1215 is("@res", "@expect", "Check %-");
1217 no warnings "uninitialized";
1218 print for $- {this_key_doesnt_exist};
1220 ok !$@,'lvalue $- {...} should not throw an exception';
1225 ok "xaaay" !~ /xa{3\,4}y/, '\, in a pattern';
1226 ok "xa{3,4}y" =~ /xa{3\,4}y/, '\, in a pattern';
1229 ok "x\c_y" !~ /x\c\_y/, '\_ in a pattern';
1230 ok "x\c\_y" =~ /x\c\_y/, '\_ in a pattern';
1232 # \c\ followed by other characters
1233 for my $c ("z", "\0", "!", chr(254), chr(256)) {
1234 my $targ = "a\034$c";
1235 my $reg = "a\\c\\$c";
1236 ok eval ("qq/$targ/ =~ /$reg/"), "\\c\\ in pattern";
1240 { # Test the (*PRUNE) pattern
1242 'aaab' =~ /a+b?(?{$count++})(*FAIL)/;
1243 is($count, 9, "Expect 9 for no (*PRUNE)");
1245 'aaab' =~ /a+b?(*PRUNE)(?{$count++})(*FAIL)/;
1246 is($count, 3, "Expect 3 with (*PRUNE)");
1249 1 while /.(*PRUNE)(?{$count++})(*FAIL)/g;
1250 is($count, 4, "/.(*PRUNE)/");
1252 'aaab' =~ /a+b?(??{'(*PRUNE)'})(?{$count++})(*FAIL)/;
1253 is($count, 3, "Expect 3 with (*PRUNE)");
1256 1 while /.(??{'(*PRUNE)'})(?{$count++})(*FAIL)/g;
1257 is($count, 4, "/.(*PRUNE)/");
1260 { # Test the (*SKIP) pattern
1262 'aaab' =~ /a+b?(*SKIP)(?{$count++})(*FAIL)/;
1263 is($count, 1, "Expect 1 with (*SKIP)");
1266 1 while /.(*SKIP)(?{$count++})(*FAIL)/g;
1267 is($count, 4, "/.(*SKIP)/");
1271 1 while /(a+b?)(*SKIP)(?{$count++; push @res,$1})(*FAIL)/g;
1272 is($count, 2, "Expect 2 with (*SKIP)");
1273 is("@res", "aaab aaab", "Adjacent (*SKIP) works as expected");
1276 { # Test the (*SKIP) pattern
1278 'aaab' =~ /a+b?(*MARK:foo)(*SKIP)(?{$count++})(*FAIL)/;
1279 is($count, 1, "Expect 1 with (*SKIP)");
1282 1 while /.(*MARK:foo)(*SKIP)(?{$count++})(*FAIL)/g;
1283 is($count, 4, "/.(*SKIP)/");
1287 1 while /(a+b?)(*MARK:foo)(*SKIP)(?{$count++; push @res,$1})(*FAIL)/g;
1288 is($count, 2, "Expect 2 with (*SKIP)");
1289 is("@res", "aaab aaab", "Adjacent (*SKIP) works as expected");
1292 { # Test the (*SKIP) pattern
1294 'aaab' =~ /a*(*MARK:a)b?(*MARK:b)(*SKIP:a)(?{$count++})(*FAIL)/;
1295 is($count, 3, "Expect 3 with *MARK:a)b?(*MARK:b)(*SKIP:a)");
1296 local $_ = 'aaabaaab';
1300 /(a*(*MARK:a)b?)(*MARK:x)(*SKIP:a)(?{$count++; push @res,$1})(*FAIL)/g;
1301 is($count, 5, "Expect 5 with (*MARK:a)b?)(*MARK:x)(*SKIP:a)");
1302 is("@res", "aaab b aaab b ",
1303 "Adjacent (*MARK:a)b?)(*MARK:x)(*SKIP:a) works as expected");
1306 { # Test the (*COMMIT) pattern
1308 'aaabaaab' =~ /a+b?(*COMMIT)(?{$count++})(*FAIL)/;
1309 is($count, 1, "Expect 1 with (*COMMIT)");
1312 1 while /.(*COMMIT)(?{$count++})(*FAIL)/g;
1313 is($count, 1, "/.(*COMMIT)/");
1317 1 while /(a+b?)(*COMMIT)(?{$count++; push @res,$1})(*FAIL)/g;
1318 is($count, 1, "Expect 1 with (*COMMIT)");
1319 is("@res", "aaab", "Adjacent (*COMMIT) works as expected");
1323 # Test named commits and the $REGERROR var
1325 for my $name ('', ':foo') {
1326 for my $pat ("(*PRUNE$name)",
1327 ($name ? "(*MARK$name)" : "") . "(*SKIP$name)",
1329 for my $suffix ('(*FAIL)', '') {
1330 'aaaab' =~ /a+b$pat$suffix/;
1332 ($suffix ? ($name ? 'foo' : "1") : ""),
1333 "Test $pat and \$REGERROR $suffix");
1340 # Test named commits and the $REGERROR var
1343 for my $name ('', ':foo') {
1344 for my $pat ("(*PRUNE$name)",
1345 ($name ? "(*MARK$name)" : "") . "(*SKIP$name)",
1347 for my $suffix ('(*FAIL)','') {
1348 'aaaab' =~ /a+b$pat$suffix/;
1350 ($suffix ? ($name ? 'foo' : "1") : ""),
1351 "Test $pat and \$REGERROR $suffix");
1358 # Test named commits and the $REGERROR var
1359 my $message = '$REGERROR';
1361 for my $word (qw (bar baz bop)) {
1364 /a+(?:bar(*COMMIT:bar)|baz(*COMMIT:baz)|bop(*COMMIT:bop))(*FAIL)/;
1365 is($REGERROR, $word, $message);
1370 #Mindnumbingly simple test of (*THEN)
1372 ok /A (*THEN) X | B (*THEN) C/x, "Simple (*THEN) test";
1377 my $message = "Relative Recursion";
1378 my $parens = qr/(\((?:[^()]++|(?-1))*+\))/;
1379 local $_ = 'foo((2*3)+4-3) + bar(2*(3+4)-1*(2-3))';
1380 my ($all, $one, $two) = ('', '', '');
1381 ok(m/foo $parens \s* \+ \s* bar $parens/x, $message);
1382 is($1, '((2*3)+4-3)', $message);
1383 is($2, '(2*(3+4)-1*(2-3))', $message);
1384 is($&, 'foo((2*3)+4-3) + bar(2*(3+4)-1*(2-3))', $message);
1385 is($&, $_, $message);
1390 local $_ = join 'bar', $spaces, $spaces;
1392 s/(?>\s+bar)(?{$count++})//g;
1393 is($_, $spaces, "SUSPEND final string");
1394 is($count, 1, "Optimiser should have prevented more than one match");
1398 # From Message-ID: <877ixs6oa6.fsf@k75.linux.bogus>
1399 my $dow_name = "nada";
1400 my $parser = "(\$dow_name) = \$time_string =~ /(D\x{e9}\\ " .
1401 "C\x{e9}adaoin|D\x{e9}\\ Sathairn|\\w+|\x{100})/";
1402 my $time_string = "D\x{e9} C\x{e9}adaoin";
1404 ok !$@, "Test Eval worked";
1405 is($dow_name, $time_string, "UTF-8 trie common prefix extraction");
1410 ($v = 'bar') =~ /(\w+)/g;
1413 '$1 is safe after /g - may fail due to specialized config in pp_hot.c');
1417 my $message = "http://nntp.perl.org/group/perl.perl5.porters/118663";
1418 my $qr_barR1 = qr/(bar)\g-1/;
1419 like("foobarbarxyz", $qr_barR1, $message);
1420 like("foobarbarxyz", qr/foo${qr_barR1}xyz/, $message);
1421 like("foobarbarxyz", qr/(foo)${qr_barR1}xyz/, $message);
1422 like("foobarbarxyz", qr/(foo)(bar)\g{-1}xyz/, $message);
1423 like("foobarbarxyz", qr/(foo${qr_barR1})xyz/, $message);
1424 like("foobarbarxyz", qr/(foo(bar)\g{-1})xyz/, $message);
1428 my $message = '$REGMARK';
1430 our ($REGMARK, $REGERROR);
1431 like('foofoo', qr/foo (*MARK:foo) (?{push @r,$REGMARK}) /x, $message);
1432 is("@r","foo", $message);
1433 is($REGMARK, "foo", $message);
1434 unlike('foofoo', qr/foo (*MARK:foo) (*FAIL) /x, $message);
1435 is($REGMARK, '', $message);
1436 is($REGERROR, 'foo', $message);
1440 my $message = '\K test';
1442 $x = "abc.def.ghi.jkl";
1444 is($x, "abc.def.ghi", $message);
1446 $x = "one two three four";
1447 $x =~ s/o+ \Kthree//g;
1448 is($x, "one two four", $message);
1452 is($x, "aabbccddee", $message);
1457 return '4' if $_[0] eq '09028623';
1459 # Nested EVAL using PL_curpm (via $1 or friends)
1461 our $grabit = qr/ ([0-6][0-9]{7}) (??{ kt $1 }) [890] /x;
1462 $re = qr/^ ( (??{ $grabit }) ) $ /x;
1463 my @res = '0902862349' =~ $re;
1464 is(join ("-", @res), "0902862349",
1465 'PL_curpm is set properly on nested eval');
1467 our $qr = qr/ (o) (??{ $1 }) /x;
1468 ok 'boob'=~/( b (??{ $qr }) b )/x && 1, "PL_curpm, nested eval";
1472 use charnames ":full";
1473 ok "\N{ROMAN NUMERAL ONE}" =~ /\p{Alphabetic}/, "I =~ Alphabetic";
1474 ok "\N{ROMAN NUMERAL ONE}" =~ /\p{Uppercase}/, "I =~ Uppercase";
1475 ok "\N{ROMAN NUMERAL ONE}" !~ /\p{Lowercase}/, "I !~ Lowercase";
1476 ok "\N{ROMAN NUMERAL ONE}" =~ /\p{IDStart}/, "I =~ ID_Start";
1477 ok "\N{ROMAN NUMERAL ONE}" =~ /\p{IDContinue}/, "I =~ ID_Continue";
1478 ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{Alphabetic}/, "i =~ Alphabetic";
1479 ok "\N{SMALL ROMAN NUMERAL ONE}" !~ /\p{Uppercase}/, "i !~ Uppercase";
1480 ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{Uppercase}/i, "i =~ Uppercase under /i";
1481 ok "\N{SMALL ROMAN NUMERAL ONE}" !~ /\p{Titlecase}/, "i !~ Titlecase";
1482 ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{Titlecase}/i, "i =~ Titlecase under /i";
1483 ok "\N{ROMAN NUMERAL ONE}" =~ /\p{Lowercase}/i, "I =~ Lowercase under /i";
1485 ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{Lowercase}/, "i =~ Lowercase";
1486 ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{IDStart}/, "i =~ ID_Start";
1487 ok "\N{SMALL ROMAN NUMERAL ONE}" =~ /\p{IDContinue}/, "i =~ ID_Continue"
1490 { # More checking that /i works on the few properties that it makes a
1491 # difference. Uppercase, Lowercase, and Titlecase were done in the
1493 ok "A" =~ /\p{PosixUpper}/, "A =~ PosixUpper";
1494 ok "A" =~ /\p{PosixUpper}/i, "A =~ PosixUpper under /i";
1495 ok "A" !~ /\p{PosixLower}/, "A !~ PosixLower";
1496 ok "A" =~ /\p{PosixLower}/i, "A =~ PosixLower under /i";
1497 ok "a" !~ /\p{PosixUpper}/, "a !~ PosixUpper";
1498 ok "a" =~ /\p{PosixUpper}/i, "a =~ PosixUpper under /i";
1499 ok "a" =~ /\p{PosixLower}/, "a =~ PosixLower";
1500 ok "a" =~ /\p{PosixLower}/i, "a =~ PosixLower under /i";
1502 ok "\xC0" =~ /\p{XPosixUpper}/, "\\xC0 =~ XPosixUpper";
1503 ok "\xC0" =~ /\p{XPosixUpper}/i, "\\xC0 =~ XPosixUpper under /i";
1504 ok "\xC0" !~ /\p{XPosixLower}/, "\\xC0 !~ XPosixLower";
1505 ok "\xC0" =~ /\p{XPosixLower}/i, "\\xC0 =~ XPosixLower under /i";
1506 ok "\xE0" !~ /\p{XPosixUpper}/, "\\xE0 !~ XPosixUpper";
1507 ok "\xE0" =~ /\p{XPosixUpper}/i, "\\xE0 =~ XPosixUpper under /i";
1508 ok "\xE0" =~ /\p{XPosixLower}/, "\\xE0 =~ XPosixLower";
1509 ok "\xE0" =~ /\p{XPosixLower}/i, "\\xE0 =~ XPosixLower under /i";
1511 ok "\xC0" =~ /\p{UppercaseLetter}/, "\\xC0 =~ UppercaseLetter";
1512 ok "\xC0" =~ /\p{UppercaseLetter}/i, "\\xC0 =~ UppercaseLetter under /i";
1513 ok "\xC0" !~ /\p{LowercaseLetter}/, "\\xC0 !~ LowercaseLetter";
1514 ok "\xC0" =~ /\p{LowercaseLetter}/i, "\\xC0 =~ LowercaseLetter under /i";
1515 ok "\xC0" !~ /\p{TitlecaseLetter}/, "\\xC0 !~ TitlecaseLetter";
1516 ok "\xC0" =~ /\p{TitlecaseLetter}/i, "\\xC0 =~ TitlecaseLetter under /i";
1517 ok "\xE0" !~ /\p{UppercaseLetter}/, "\\xE0 !~ UppercaseLetter";
1518 ok "\xE0" =~ /\p{UppercaseLetter}/i, "\\xE0 =~ UppercaseLetter under /i";
1519 ok "\xE0" =~ /\p{LowercaseLetter}/, "\\xE0 =~ LowercaseLetter";
1520 ok "\xE0" =~ /\p{LowercaseLetter}/i, "\\xE0 =~ LowercaseLetter under /i";
1521 ok "\xE0" !~ /\p{TitlecaseLetter}/, "\\xE0 !~ TitlecaseLetter";
1522 ok "\xE0" =~ /\p{TitlecaseLetter}/i, "\\xE0 =~ TitlecaseLetter under /i";
1523 ok "\x{1C5}" !~ /\p{UppercaseLetter}/, "\\x{1C5} !~ UppercaseLetter";
1524 ok "\x{1C5}" =~ /\p{UppercaseLetter}/i, "\\x{1C5} =~ UppercaseLetter under /i";
1525 ok "\x{1C5}" !~ /\p{LowercaseLetter}/, "\\x{1C5} !~ LowercaseLetter";
1526 ok "\x{1C5}" =~ /\p{LowercaseLetter}/i, "\\x{1C5} =~ LowercaseLetter under /i";
1527 ok "\x{1C5}" =~ /\p{TitlecaseLetter}/, "\\x{1C5} =~ TitlecaseLetter";
1528 ok "\x{1C5}" =~ /\p{TitlecaseLetter}/i, "\\x{1C5} =~ TitlecaseLetter under /i";
1532 # requirement of Unicode Technical Standard #18, 1.7 Code Points
1533 # cf. http://www.unicode.org/reports/tr18/#Supplementary_Characters
1534 for my $u (0x7FF, 0x800, 0xFFFF, 0x10000) {
1535 no warnings 'utf8'; # oops
1537 my $x = sprintf '%04X', $u;
1538 ok "A${c}B" =~ /A[\0-\x{10000}]B/, "Unicode range - $x";
1545 if ('1' =~ /(?|(?<digit>1)|(?<digit>2))/) {
1546 $res = "@{$- {digit}}";
1549 "Check that (?|...) doesnt cause dupe entries in the names array");
1552 if ('11' =~ /(?|(?<digit>1)|(?<digit>2))(?&digit)/) {
1553 $res = "@{$- {digit}}";
1556 "Check that (?&..) to a buffer inside a (?|...) goes to the leftmost");
1561 my $message = "ASCII pattern that really is UTF-8";
1563 local $SIG {__WARN__} = sub {push @w, "@_"};
1564 my $c = qq (\x{DF});
1565 like($c, qr/${c}|\x{100}/, $message);
1566 is("@w", '', $message);
1570 my $message = "Corruption of match results of qr// across scopes";
1571 my $qr = qr/(fo+)(ba+r)/;
1573 is("$1$2", "foobar", $message);
1575 'foooooobaaaaar' =~ /$qr/;
1576 is("$1$2", 'foooooobaaaaar', $message);
1578 is("$1$2", "foobar", $message);
1582 my $message = "HORIZWS";
1583 local $_ = "\t \r\n \n \t".chr(11)."\n";
1586 is($_, "hhHHhHhhHH", $message);
1587 $_ = "\t \r\n \n \t" . chr (11) . "\n";
1591 is($_, "hhHHhHhhHH", $message);
1595 # Various whitespace special patterns
1596 my @h = map {chr $_} 0x09, 0x20, 0xa0, 0x1680, 0x180e, 0x2000,
1597 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006,
1598 0x2007, 0x2008, 0x2009, 0x200a, 0x202f, 0x205f,
1600 my @v = map {chr $_} 0x0a, 0x0b, 0x0c, 0x0d, 0x85, 0x2028,
1602 my @lb = ("\x0D\x0A", map {chr $_} 0x0A .. 0x0D, 0x85, 0x2028, 0x2029);
1603 foreach my $t ([\@h, qr/\h/, qr/\h+/],
1604 [\@v, qr/\v/, qr/\v+/],
1605 [\@lb, qr/\R/, qr/\R+/],) {
1606 my $ary = shift @$t;
1607 foreach my $pat (@$t) {
1608 foreach my $str (@$ary) {
1609 my $temp_str = $str;
1610 $temp_str = display($temp_str);
1611 ok $str =~ /($pat)/, $temp_str . " =~ /($pat)";
1613 is($1, $str, "\$1='" . display($temp_1) . "' eq '" . $temp_str . "' after ($pat)");
1614 utf8::upgrade ($str);
1615 ok $str =~ /($pat)/, "Upgraded " . $temp_str . " =~ /($pat)/";
1616 is($1, $str, "\$1='" . display($temp_1) . "' eq '" . $temp_str . "'(upgraded) after ($pat)");
1623 # Check that \\xDF match properly in its various forms
1624 # Test that \xDF matches properly. this is pretty hacky stuff,
1625 # but its actually needed. The malarky with '-' is to prevent
1626 # compilation caching from playing any role in the test.
1627 my @df = (chr (0xDF), '-', chr (0xDF));
1628 utf8::upgrade ($df [2]);
1629 my @strs = ('ss', 'sS', 'Ss', 'SS', chr (0xDF));
1630 my @ss = map {("$_", "$_")} @strs;
1631 utf8::upgrade ($ss [$_ * 2 + 1]) for 0 .. $#strs;
1633 for my $ssi (0 .. $#ss) {
1634 for my $dfi (0 .. $#df) {
1635 my $pat = $df [$dfi];
1636 my $str = $ss [$ssi];
1637 my $utf_df = ($dfi > 1) ? 'utf8' : '';
1638 my $utf_ss = ($ssi % 2) ? 'utf8' : '';
1639 (my $sstr = $str) =~ s/\xDF/\\xDF/;
1641 if ($utf_df || $utf_ss || length ($ss [$ssi]) == 1) {
1642 my $ret = $str =~ /$pat/i;
1643 next if $pat eq '-';
1644 ok $ret, "\"$sstr\" =~ /\\xDF/i " .
1645 "(str is @{[$utf_ss||'latin']}, pat is " .
1646 "@{[$utf_df||'latin']})";
1649 my $ret = $str !~ /$pat/i;
1650 next if $pat eq '-';
1651 ok $ret, "\"$sstr\" !~ /\\xDF/i " .
1652 "(str is @{[$utf_ss||'latin']}, pat is " .
1653 "@{[$utf_df||'latin']})";
1660 my $message = "BBC(Bleadperl Breaks CPAN) Today: String::Multibyte";
1661 my $re = qr/(?:[\x00-\xFF]{4})/;
1662 my $hyp = "\0\0\0-";
1663 my $esc = "\0\0\0\\";
1665 my $str = "$esc$hyp$hyp$esc$esc";
1666 my @a = ($str =~ /\G(?:\Q$esc$esc\E|\Q$esc$hyp\E|$re)/g);
1670 is("@a","$esc$hyp=$hyp=$esc$esc", $message);
1674 # Test for keys in %+ and %-
1675 my $message = 'Test keys in %+ and %-';
1676 no warnings 'uninitialized', 'deprecated', 'experimental::lexical_topic';
1678 /(?<foo>a)|(?<foo>b)/;
1679 is((join ",", sort keys %+), "foo", $message);
1680 is((join ",", sort keys %-), "foo", $message);
1681 is((join ",", sort values %+), "a", $message);
1682 is((join ",", sort map "@$_", values %-), "a ", $message);
1683 /(?<bar>a)(?<bar>b)(?<quux>.)/;
1684 is((join ",", sort keys %+), "bar,quux", $message);
1685 is((join ",", sort keys %-), "bar,quux", $message);
1686 is((join ",", sort values %+), "a,c", $message); # leftmost
1687 is((join ",", sort map "@$_", values %-), "a b,c", $message);
1688 /(?<un>a)(?<deux>c)?/; # second buffer won't capture
1689 is((join ",", sort keys %+), "un", $message);
1690 is((join ",", sort keys %-), "deux,un", $message);
1691 is((join ",", sort values %+), "a", $message);
1692 is((join ",", sort map "@$_", values %-), ",a", $message);
1696 # length() on captures, the numbered ones end up in Perl_magic_len
1697 no warnings 'deprecated', 'experimental::lexical_topic';
1698 my $_ = "aoeu \xe6var ook";
1699 /^ \w+ \s (?<eek>\S+)/x;
1701 is(length $`, 0, q[length $`]);
1702 is(length $', 4, q[length $']);
1703 is(length $&, 9, q[length $&]);
1704 is(length $1, 4, q[length $1]);
1705 is(length $+{eek}, 4, q[length $+{eek} == length $1]);
1711 $ok = exists ($-{x}) ? 1 : 0 if 'bar' =~ /(?<x>foo)|bar/;
1712 is($ok, 1, '$-{x} exists after "bar"=~/(?<x>foo)|bar/');
1713 is(scalar (%+), 0, 'scalar %+ == 0 after "bar"=~/(?<x>foo)|bar/');
1714 is(scalar (%-), 1, 'scalar %- == 1 after "bar"=~/(?<x>foo)|bar/');
1717 $ok = exists ($+{x}) ? 1 : 0 if 'bar' =~ /(?<x>foo)|bar/;
1718 is($ok, 0, '$+{x} not exists after "bar"=~/(?<x>foo)|bar/');
1719 is(scalar (%+), 0, 'scalar %+ == 0 after "bar"=~/(?<x>foo)|bar/');
1720 is(scalar (%-), 1, 'scalar %- == 1 after "bar"=~/(?<x>foo)|bar/');
1723 $ok = exists ($-{x}) ? 1 : 0 if 'foo' =~ /(?<x>foo)|bar/;
1724 is($ok, 1, '$-{x} exists after "foo"=~/(?<x>foo)|bar/');
1725 is(scalar (%+), 1, 'scalar %+ == 1 after "foo"=~/(?<x>foo)|bar/');
1726 is(scalar (%-), 1, 'scalar %- == 1 after "foo"=~/(?<x>foo)|bar/');
1729 $ok = exists ($+{x}) ? 1 : 0 if 'foo'=~/(?<x>foo)|bar/;
1730 is($ok, 1, '$+{x} exists after "foo"=~/(?<x>foo)|bar/');
1735 ($_ = 'abc') =~ /(abc)/g;
1737 is("$1", 'abc', "/g leads to unsafe match vars: $1");
1739 fresh_perl_is(<<'EOP', ">abc<\n", {}, 'mention $&');
1742 ($x='abc')=~/(abc)/g;
1747 fresh_perl_is(<<'EOP', ">abc<\n", {}, 'no mention of $&');
1749 ($x='abc')=~/(abc)/g;
1756 # Message-ID: <20070818091501.7eff4831@r2d2>
1760 $str .= "@x"; # this should ALWAYS be the empty string
1764 is(length $str, 0, "Trie scope error, string should be empty");
1766 my @foo = ('a') x 5;
1770 s/a|/push @bar, 1/e;
1772 is(length $str, 0, "Trie scope error, string should be empty");
1776 # more TRIE/AHOCORASICK problems with mixed utf8 / latin-1 and case folding
1777 for my $chr (160 .. 255) {
1778 my $chr_byte = chr($chr);
1779 my $chr_utf8 = chr($chr); utf8::upgrade($chr_utf8);
1780 my $rx = qr{$chr_byte|X}i;
1781 ok($chr_utf8 =~ $rx, "utf8/latin, codepoint $chr");
1786 our $a = 3; "" =~ /(??{ $a })/;
1788 is($b, $a, "Copy of scalar used for postponed subexpression");
1807 my $match = '<bla><blubb></blubb></bla>' =~ m/^$nested_tags$/;
1808 ok $match, 'nested construct matches';
1809 is("@ctl_n", "bla blubb", '$^N inside of (?{}) works as expected');
1810 is("@plus", "bla blubb", '$+ inside of (?{}) works as expected');
1814 # XXX: This set of tests is essentially broken, POSIX character classes
1815 # should not have differing definitions under Unicode.
1816 # There are property names for that.
1817 skip "Tests assume ASCII", 4 unless $::IS_ASCII;
1819 my @notIsPunct = grep {/[[:punct:]]/ and not /\p{IsPunct}/}
1820 map {chr} 0x20 .. 0x7f;
1821 is(join ('', @notIsPunct), '$+<=>^`|~',
1822 '[:punct:] disagrees with IsPunct on Symbols');
1824 my @isPrint = grep {not /[[:print:]]/ and /\p{IsPrint}/}
1825 map {chr} 0 .. 0x1f, 0x7f .. 0x9f;
1826 is(join ('', @isPrint), "",
1827 'IsPrint agrees with [:print:] on control characters');
1829 my @isPunct = grep {/[[:punct:]]/ != /\p{IsPunct}/}
1830 map {chr} 0x80 .. 0xff;
1831 is(join ('', @isPunct), "\xa1\xa7\xab\xb6\xb7\xbb\xbf", # ¡ « · » ¿
1832 'IsPunct disagrees with [:punct:] outside ASCII');
1834 my @isPunctLatin1 = eval q {
1835 no warnings 'deprecated';
1836 use encoding 'latin1';
1837 grep {/[[:punct:]]/ != /\p{IsPunct}/} map {chr} 0x80 .. 0xff;
1839 skip "Eval failed ($@)", 1 if $@;
1840 skip "PERL_LEGACY_UNICODE_CHARCLASS_MAPPINGS set to 0", 1
1841 if !$ENV{PERL_TEST_LEGACY_POSIX_CC};
1842 is(join ('', @isPunctLatin1), '',
1843 'IsPunct agrees with [:punct:] with explicit Latin1');
1847 # Tests for [#perl 71942]
1858 # expected values of count_a and count_b,
1863 qr/a+(?{$count_a++})b?(*COMMIT)(*FAIL)/,
1864 qr/a+(?{$count_b++})b?(*COMMIT)z/,
1870 qr/a+(?{$count_a++})b?(*COMMIT)\s*(*FAIL)/,
1871 qr/a+(?{$count_b++})b?(*COMMIT)\s*z/,
1877 qr/a+(?{$count_a++})(?:b|)?(*COMMIT)(*FAIL)/,
1878 qr/a+(?{$count_b++})(?:b|)?(*COMMIT)z/,
1884 qr/a+(?{$count_a++})b{0,6}(*COMMIT)(*FAIL)/,
1885 qr/a+(?{$count_b++})b{0,6}(*COMMIT)z/,
1891 qr/a+(?{$count_a++})(bc){0,6}(*COMMIT)(*FAIL)/,
1892 qr/a+(?{$count_b++})(bc){0,6}(*COMMIT)z/,
1898 qr/a+(?{$count_a++})(bc*){0,6}(*COMMIT)(*FAIL)/,
1899 qr/a+(?{$count_b++})(bc*){0,6}(*COMMIT)z/,
1907 qr/a+(?{$count_a++})b?(*PRUNE)(*FAIL)/,
1908 qr/a+(?{$count_b++})b?(*PRUNE)z/,
1914 qr/a+(?{$count_a++})b?(*PRUNE)\s*(*FAIL)/,
1915 qr/a+(?{$count_b++})b?(*PRUNE)\s*z/,
1921 qr/a+(?{$count_a++})(?:b|)(*PRUNE)(*FAIL)/,
1922 qr/a+(?{$count_b++})(?:b|)(*PRUNE)z/,
1928 qr/a+(?{$count_a++})b{0,6}(*PRUNE)(*FAIL)/,
1929 qr/a+(?{$count_b++})b{0,6}(*PRUNE)z/,
1935 qr/a+(?{$count_a++})(bc){0,6}(*PRUNE)(*FAIL)/,
1936 qr/a+(?{$count_b++})(bc){0,6}(*PRUNE)z/,
1942 qr/a+(?{$count_a++})(bc*){0,6}(*PRUNE)(*FAIL)/,
1943 qr/a+(?{$count_b++})(bc*){0,6}(*PRUNE)z/,
1950 qr/a+(?{$count_a++;})b?(*SKIP)(*FAIL)/,
1951 qr/a+(?{$count_b++;})b?(*SKIP)z/,
1957 qr/a+(?{$count_a++;})b?(*SKIP)\s*(*FAIL)/,
1958 qr/a+(?{$count_b++;})b?(*SKIP)\s*z/,
1964 qr/a+(?{$count_a++;})(?:b|)(*SKIP)(*FAIL)/,
1965 qr/a+(?{$count_b++;})(?:b|)(*SKIP)z/,
1971 qr/a+(?{$count_a++;})b{0,6}(*SKIP)(*FAIL)/,
1972 qr/a+(?{$count_b++;})b{0,6}(*SKIP)z/,
1978 qr/a+(?{$count_a++;})(bc){0,6}(*SKIP)(*FAIL)/,
1979 qr/a+(?{$count_b++;})(bc){0,6}(*SKIP)z/,
1985 qr/a+(?{$count_a++;})(bc*){0,6}(*SKIP)(*FAIL)/,
1986 qr/a+(?{$count_b++;})(bc*){0,6}(*SKIP)z/,
1994 qr/a (?{$count_a++;}) (*MARK:T1) (a*) .*? b? (*SKIP:T1) (*FAIL) \s* c \1 /x,
1995 qr/a (?{$count_b++;}) (*MARK:T1) (a*) .*? b? (*SKIP:T1) z \s* c \1 /x,
2001 qr/a (?{$count_a++;}) (*MARK:T1) (a*) .*? b? (*SKIP:T1) \s* (*FAIL) \s* c \1 /x,
2002 qr/a (?{$count_b++;}) (*MARK:T1) (a*) .*? b? (*SKIP:T1) \s* z \s* c \1 /x,
2008 qr/a (?{$count_a++;}) (*MARK:T1) (a*) .*? (?:b|) (*SKIP:T1) (*FAIL) \s* c \1 /x,
2009 qr/a (?{$count_b++;}) (*MARK:T1) (a*) .*? (?:b|) (*SKIP:T1) z \s* c \1 /x,
2015 qr/a (?{$count_a++;}) (*MARK:T1) (a*) .*? b{0,6} (*SKIP:T1) (*FAIL) \s* c \1 /x,
2016 qr/a (?{$count_b++;}) (*MARK:T1) (a*) .*? b{0,6} (*SKIP:T1) z \s* c \1 /x,
2022 qr/a (?{$count_a++;}) (*MARK:T1) (a*) .*? (bc){0,6} (*SKIP:T1) (*FAIL) \s* c \1 /x,
2023 qr/a (?{$count_b++;}) (*MARK:T1) (a*) .*? (bc){0,6} (*SKIP:T1) z \s* c \1 /x,
2029 qr/a (?{$count_a++;}) (*MARK:T1) (a*) .*? (bc*){0,6} (*SKIP:T1) (*FAIL) \s* c \1 /x,
2030 qr/a (?{$count_b++;}) (*MARK:T1) (a*) .*? (bc*){0,6} (*SKIP:T1) z \s* c \1 /x,
2038 qr/a (?{$count_a++;}) (a?) (*MARK:T1) (a*) .*? b? (*MARK:T1) (*SKIP:T1) (*FAIL) \s* c \1 /x,
2039 qr/a (?{$count_b++;}) (a?) (*MARK:T1) (a*) .*? b? (*MARK:T1) (*SKIP:T1) z \s* c \1 /x,
2045 qr/a (?{$count_a++;}) (a?) (*MARK:T1) (a*) .*? b? (*MARK:T1) (*SKIP:T1) \s* (*FAIL) \s* c \1 /x,
2046 qr/a (?{$count_b++;}) (a?) (*MARK:T1) (a*) .*? b? (*MARK:T1) (*SKIP:T1) \s* z \s* c \1 /x,
2052 qr/a (?{$count_a++;}) (a?) (*MARK:T1) (a*) .*? (?:b|) (*MARK:T1) (*SKIP:T1) (*FAIL) \s* c \1 /x,
2053 qr/a (?{$count_b++;}) (a?) (*MARK:T1) (a*) .*? (?:b|) (*MARK:T1) (*SKIP:T1) z \s* c \1 /x,
2059 qr/a (?{$count_a++;}) (a?) (*MARK:T1) (a*) .*? b{0,6} (*MARK:T1) (*SKIP:T1) (*FAIL) \s* c \1 /x,
2060 qr/a (?{$count_b++;}) (a?) (*MARK:T1) (a*) .*? b{0,6} (*MARK:T1) (*SKIP:T1) z \s* c \1 /x,
2066 qr/a (?{$count_a++;}) (a?) (*MARK:T1) (a*) .*? (bc){0,6} (*MARK:T1) (*SKIP:T1) (*FAIL) \s* c \1 /x,
2067 qr/a (?{$count_b++;}) (a?) (*MARK:T1) (a*) .*? (bc){0,6} (*MARK:T1) (*SKIP:T1) z \s* c \1 /x,
2073 qr/a (?{$count_a++;}) (a?) (*MARK:T1) (a*) .*? (bc*){0,6} (*MARK:T1) (*SKIP:T1) (*FAIL) \s* c \1 /x,
2074 qr/a (?{$count_b++;}) (a?) (*MARK:T1) (a*) .*? (bc*){0,6} (*MARK:T1) (*SKIP:T1) z \s* c \1 /x,
2082 qr/(A (.*) (?{ $count_a++ }) C? (*THEN) | A D) (*FAIL)/x,
2083 qr/(A (.*) (?{ $count_b++ }) C? (*THEN) | A D) z/x,
2089 qr/(A (.*) (?{ $count_a++ }) C? (*THEN) | A D) \s* (*FAIL)/x,
2090 qr/(A (.*) (?{ $count_b++ }) C? (*THEN) | A D) \s* z/x,
2096 qr/(A (.*) (?{ $count_a++ }) (?:C|) (*THEN) | A D) (*FAIL)/x,
2097 qr/(A (.*) (?{ $count_b++ }) (?:C|) (*THEN) | A D) z/x,
2103 qr/(A (.*) (?{ $count_a++ }) C{0,6} (*THEN) | A D) (*FAIL)/x,
2104 qr/(A (.*) (?{ $count_b++ }) C{0,6} (*THEN) | A D) z/x,
2110 qr/(A (.*) (?{ $count_a++ }) (CE){0,6} (*THEN) | A D) (*FAIL)/x,
2111 qr/(A (.*) (?{ $count_b++ }) (CE){0,6} (*THEN) | A D) z/x,
2117 qr/(A (.*) (?{ $count_a++ }) (CE*){0,6} (*THEN) | A D) (*FAIL)/x,
2118 qr/(A (.*) (?{ $count_b++ }) (CE*){0,6} (*THEN) | A D) z/x,
2126 my $match_a = ($re->[1] =~ $re->[2]) || 0;
2127 my $match_b = ($re->[1] =~ $re->[3]) || 0;
2129 is($match_a, $re->[0], "match a " . ($re->[0] ? "succeeded" : "failed") . " ($c)");
2130 is($match_b, $re->[0], "match b " . ($re->[0] ? "succeeded" : "failed") . " ($c)");
2131 is($count_a, $re->[4], "count a ($c)");
2132 is($count_b, $re->[4], "count b ($c)");
2136 { # Bleadperl v5.13.8-292-gf56b639 breaks NEZUMI/Unicode-LineBreak-1.011
2137 # \xdf in lookbehind failed to compile as is multi-char fold
2138 my $message = "Lookbehind with \\xdf matchable compiles";
2142 (?<=[^-.]) (?=[-~.,_?\#%=&]) |
2145 is($@, '', $message);
2146 object_ok($r, 'Regexp', $message);
2150 ok 'foo/file.fob' =~ m,^(?=[^\.])[^/]*/(?=[^\.])[^/]*\.fo[^/]$,;
2152 { # This was failing unless an explicit /d was added
2153 my $p = qr/[\xE0_]/i;
2155 like("\xC0", $p, "Verify \"\\xC0\" =~ /[\\xE0_]/i; pattern in utf8");
2158 ok "x" =~ /\A(?>(?:(?:)A|B|C?x))\z/,
2159 "Check TRIE does not overwrite EXACT following NOTHING at start - RT #111842";
2163 my $upper = "\x{390}"; # Fold is 3 chars.
2164 my $multi = CORE::fc($upper);
2168 # Try forcing a node to be split, with a multi-char fold at the
2170 for my $repeat (1 .. 300) {
2171 my $string = $single x $repeat;
2172 my $lhs = $string . $upper;
2173 if ($lhs !~ m/$string$multi/i) {
2178 ok(! $failed, "Matched multi-char fold across EXACTFish node boundaries; if failed, was at count $failed");
2181 for my $repeat (1 .. 300) {
2182 my $string = $single x $repeat;
2183 my $lhs = $string . "\N{LATIN SMALL LIGATURE FFI}";
2184 if ($lhs !~ m/${string}ff\N{LATIN SMALL LETTER I}/i) {
2189 ok(! $failed, "Matched multi-char fold across EXACTFish node boundaries; if failed, was at count $failed");
2192 for my $repeat (1 .. 300) {
2193 my $string = $single x $repeat;
2194 my $lhs = $string . "\N{LATIN SMALL LIGATURE FFL}";
2195 if ($lhs !~ m/${string}ff\N{U+6c}/i) {
2200 ok(! $failed, "Matched multi-char fold across EXACTFish node boundaries; if failed, was at count $failed");
2204 fresh_perl_is('print eval "\"\x{101}\" =~ /[[:lower:]]/", "\n"; print eval "\"\x{100}\" =~ /[[:lower:]]/i", "\n";',
2205 "1\n1", # Both re's should match
2207 "get [:lower:] swash in first eval; test under /i in second");
2211 # Keep the following tests last -- they may crash perl
2213 print "# Tests that follow may crash perl\n";
2216 ok $@ =~ /\QSequence \k... not terminated in regex;\E/,
2217 'Lone \k not allowed';
2221 my $message = "Substitution with lookahead (possible segv)";
2224 is($_, "ns_1ns_1ns_1", $message);
2227 is($_, "ns_1", $message);
2229 s/(?=\d+)|(?<=\d)/!Bang!/g;
2230 is($_, "!Bang!1!Bang!2!Bang!3!Bang!", $message);
2234 # Earlier versions of Perl said this was fatal.
2235 my $message = "U+0FFFF shouldn't crash the regex engine";
2237 my $a = eval "chr(65535)";
2239 my $warning_message;
2240 local $SIG{__WARN__} = sub { $warning_message = $_[0] };
2242 ok(1, $message); # If it didn't crash, it worked.
2245 TODO: { # Was looping
2246 todo_skip('Triggers thread clone SEGV. See #86550')
2247 if $::running_as_thread && $::running_as_thread;
2248 watchdog(10); # Use a bigger value for busy systems
2249 like("\x{00DF}", qr/[\x{1E9E}_]*/i, "\"\\x{00DF}\" =~ /[\\x{1E9E}_]*/i was looping");
2252 { # Bug #90536, caused failed assertion
2253 unlike("s\N{U+DF}", qr/^\x{00DF}/i, "\"s\\N{U+DF}\", qr/^\\x{00DF}/i");
2256 # User-defined Unicode properties to match above-Unicode code points
2257 sub Is_32_Bit_Super { return "110000\tFFFFFFFF\n" }
2258 sub Is_Portable_Super { return '!utf8::Any' } # Matches beyond 32 bits
2260 { # Assertion was failing on on 64-bit platforms; just didn't work on 32.
2261 no warnings qw(non_unicode portable);
2264 # We use 'ok' instead of 'like' because the warnings are lexically
2265 # scoped, and want to turn them off, so have to do the match in this
2267 if ($Config{uvsize} < 8) {
2268 ok(chr(0xFFFF_FFFE) =~ /\p{Is_32_Bit_Super}/,
2269 "chr(0xFFFF_FFFE) can match a Unicode property");
2270 ok(chr(0xFFFF_FFFF) =~ /\p{Is_32_Bit_Super}/,
2271 "chr(0xFFFF_FFFF) can match a Unicode property");
2272 my $p = qr/^[\x{FFFF_FFFF}]$/;
2273 ok(chr(0xFFFF_FFFF) =~ $p,
2274 "chr(0xFFFF_FFFF) can match itself in a [class]");
2275 ok(chr(0xFFFF_FFFF) =~ $p, # Tests any caching
2276 "chr(0xFFFF_FFFF) can match itself in a [class] subsequently");
2279 no warnings 'overflow';
2280 ok(chr(0xFFFF_FFFF_FFFF_FFFE) =~ qr/\p{Is_Portable_Super}/,
2281 "chr(0xFFFF_FFFF_FFFF_FFFE) can match a Unicode property");
2282 ok(chr(0xFFFF_FFFF_FFFF_FFFF) =~ qr/^\p{Is_Portable_Super}$/,
2283 "chr(0xFFFF_FFFF_FFFF_FFFF) can match a Unicode property");
2285 my $p = qr/^[\x{FFFF_FFFF_FFFF_FFFF}]$/;
2286 ok(chr(0xFFFF_FFFF_FFFF_FFFF) =~ $p,
2287 "chr(0xFFFF_FFFF_FFFF_FFFF) can match itself in a [class]");
2288 ok(chr(0xFFFF_FFFF_FFFF_FFFF) =~ $p, # Tests any caching
2289 "chr(0xFFFF_FFFF_FFFF_FFFF) can match itself in a [class] subsequently");
2291 # This test is because something was declared as 32 bits, but
2292 # should have been cast to 64; only a problem where
2293 # sizeof(STRLEN) != sizeof(UV)
2294 ok(chr(0xFFFF_FFFF_FFFF_FFFE) !~ qr/\p{Is_32_Bit_Super}/, "chr(0xFFFF_FFFF_FFFF_FFFE) shouldn't match a range ending in 0xFFFF_FFFF");
2298 { # [perl #112530], the code below caused a panic
2299 sub InFoo { "a\tb\n9\ta\n" }
2300 like("\n", qr/\p{InFoo}/,
2301 "Overlapping ranges in user-defined properties");
2304 # !!! NOTE that tests that aren't at all likely to crash perl should go
2305 # a ways above, above these last ones.
2308 } # End of sub run_tests