1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // REQUIRES: locale.cs_CZ.ISO8859-2
14 // template <class BidirectionalIterator, class Allocator, class charT, class traits>
16 // regex_match(BidirectionalIterator first, BidirectionalIterator last,
17 // match_results<BidirectionalIterator, Allocator>& m,
18 // const basic_regex<charT, traits>& e,
19 // regex_constants::match_flag_type flags = regex_constants::match_default);
21 // TODO: investigation needed
26 #include "test_macros.h"
27 #include "test_iterators.h"
29 #include "platform_support.h" // locale name macros
36 assert(std::regex_match(s, m, std::regex("a")));
37 assert(m.size() == 1);
39 assert(!m.prefix().matched);
40 assert(m.prefix().first == s);
41 assert(m.prefix().second == m[0].first);
42 assert(!m.suffix().matched);
43 assert(m.suffix().first == m[0].second);
44 assert(m.suffix().second == s+1);
45 assert(m.length(0) == 1);
46 assert(m.position(0) == 0);
47 assert(m.str(0) == "a");
51 const char s[] = "ab";
52 assert(std::regex_match(s, m, std::regex("ab")));
53 assert(m.size() == 1);
54 assert(!m.prefix().matched);
55 assert(m.prefix().first == s);
56 assert(m.prefix().second == m[0].first);
57 assert(!m.suffix().matched);
58 assert(m.suffix().first == m[0].second);
59 assert(m.suffix().second == s+2);
60 assert(m.length(0) == 2);
61 assert(m.position(0) == 0);
62 assert(m.str(0) == "ab");
66 const char s[] = "ab";
67 assert(!std::regex_match(s, m, std::regex("ba")));
68 assert(m.size() == 0);
73 const char s[] = "aab";
74 assert(!std::regex_match(s, m, std::regex("ab")));
75 assert(m.size() == 0);
79 const char s[] = "aab";
80 assert(!std::regex_match(s, m, std::regex("ab"),
81 std::regex_constants::match_continuous));
82 assert(m.size() == 0);
86 const char s[] = "abcd";
87 assert(!std::regex_match(s, m, std::regex("bc")));
88 assert(m.size() == 0);
92 const char s[] = "abbc";
93 assert(std::regex_match(s, m, std::regex("ab*c")));
94 assert(m.size() == 1);
95 assert(!m.prefix().matched);
96 assert(m.prefix().first == s);
97 assert(m.prefix().second == m[0].first);
98 assert(!m.suffix().matched);
99 assert(m.suffix().first == m[0].second);
100 assert(m.suffix().second == s+4);
101 assert(m.length(0) == 4);
102 assert(m.position(0) == 0);
103 assert(m.str(0) == s);
107 const char s[] = "ababc";
108 assert(std::regex_match(s, m, std::regex("(ab)*c")));
109 assert(m.size() == 2);
110 assert(!m.prefix().matched);
111 assert(m.prefix().first == s);
112 assert(m.prefix().second == m[0].first);
113 assert(!m.suffix().matched);
114 assert(m.suffix().first == m[0].second);
115 assert(m.suffix().second == s+5);
116 assert(m.length(0) == 5);
117 assert(m.position(0) == 0);
118 assert(m.str(0) == s);
119 assert(m.length(1) == 2);
120 assert(m.position(1) == 2);
121 assert(m.str(1) == "ab");
125 const char s[] = "abcdefghijk";
126 assert(!std::regex_match(s, m, std::regex("cd((e)fg)hi")));
127 assert(m.size() == 0);
131 const char s[] = "abc";
132 assert(std::regex_match(s, m, std::regex("^abc")));
133 assert(m.size() == 1);
134 assert(!m.prefix().matched);
135 assert(m.prefix().first == s);
136 assert(m.prefix().second == m[0].first);
137 assert(!m.suffix().matched);
138 assert(m.suffix().first == m[0].second);
139 assert(m.suffix().second == s+3);
140 assert(m.length(0) == 3);
141 assert(m.position(0) == 0);
142 assert(m.str(0) == s);
146 const char s[] = "abcd";
147 assert(!std::regex_match(s, m, std::regex("^abc")));
148 assert(m.size() == 0);
152 const char s[] = "aabc";
153 assert(!std::regex_match(s, m, std::regex("^abc")));
154 assert(m.size() == 0);
158 const char s[] = "abc";
159 assert(std::regex_match(s, m, std::regex("abc$")));
160 assert(m.size() == 1);
161 assert(!m.prefix().matched);
162 assert(m.prefix().first == s);
163 assert(m.prefix().second == m[0].first);
164 assert(!m.suffix().matched);
165 assert(m.suffix().first == m[0].second);
166 assert(m.suffix().second == s+3);
167 assert(m.length(0) == 3);
168 assert(m.position(0) == 0);
169 assert(m.str(0) == s);
173 const char s[] = "efabc";
174 assert(!std::regex_match(s, m, std::regex("abc$")));
175 assert(m.size() == 0);
179 const char s[] = "efabcg";
180 assert(!std::regex_match(s, m, std::regex("abc$")));
181 assert(m.size() == 0);
185 const char s[] = "abc";
186 assert(std::regex_match(s, m, std::regex("a.c")));
187 assert(m.size() == 1);
188 assert(!m.prefix().matched);
189 assert(m.prefix().first == s);
190 assert(m.prefix().second == m[0].first);
191 assert(!m.suffix().matched);
192 assert(m.suffix().first == m[0].second);
193 assert(m.suffix().second == s+3);
194 assert(m.length(0) == 3);
195 assert(m.position(0) == 0);
196 assert(m.str(0) == s);
200 const char s[] = "acc";
201 assert(std::regex_match(s, m, std::regex("a.c")));
202 assert(m.size() == 1);
203 assert(!m.prefix().matched);
204 assert(m.prefix().first == s);
205 assert(m.prefix().second == m[0].first);
206 assert(!m.suffix().matched);
207 assert(m.suffix().first == m[0].second);
208 assert(m.suffix().second == s+3);
209 assert(m.length(0) == 3);
210 assert(m.position(0) == 0);
211 assert(m.str(0) == s);
215 const char s[] = "acc";
216 assert(std::regex_match(s, m, std::regex("a.c")));
217 assert(m.size() == 1);
218 assert(!m.prefix().matched);
219 assert(m.prefix().first == s);
220 assert(m.prefix().second == m[0].first);
221 assert(!m.suffix().matched);
222 assert(m.suffix().first == m[0].second);
223 assert(m.suffix().second == s+3);
224 assert(m.length(0) == 3);
225 assert(m.position(0) == 0);
226 assert(m.str(0) == s);
230 const char s[] = "abcdef";
231 assert(std::regex_match(s, m, std::regex("(.*).*")));
232 assert(m.size() == 2);
233 assert(!m.prefix().matched);
234 assert(m.prefix().first == s);
235 assert(m.prefix().second == m[0].first);
236 assert(!m.suffix().matched);
237 assert(m.suffix().first == m[0].second);
238 assert(m.suffix().second == s+6);
239 assert(m.length(0) == 6);
240 assert(m.position(0) == 0);
241 assert(m.str(0) == s);
242 assert(m.length(1) == 6);
243 assert(m.position(1) == 0);
244 assert(m.str(1) == s);
248 const char s[] = "bc";
249 assert(!std::regex_match(s, m, std::regex("(a*)*")));
250 assert(m.size() == 0);
254 const char s[] = "abbc";
255 assert(!std::regex_match(s, m, std::regex("ab{3,5}c")));
256 assert(m.size() == 0);
260 const char s[] = "abbbc";
261 assert(std::regex_match(s, m, std::regex("ab{3,5}c")));
262 assert(m.size() == 1);
263 assert(!m.prefix().matched);
264 assert(m.prefix().first == s);
265 assert(m.prefix().second == m[0].first);
266 assert(!m.suffix().matched);
267 assert(m.suffix().first == m[0].second);
268 assert(m.suffix().second == m[0].second);
269 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
270 assert(m.position(0) == 0);
271 assert(m.str(0) == s);
275 const char s[] = "abbbbc";
276 assert(std::regex_match(s, m, std::regex("ab{3,5}c")));
277 assert(m.size() == 1);
278 assert(!m.prefix().matched);
279 assert(m.prefix().first == s);
280 assert(m.prefix().second == m[0].first);
281 assert(!m.suffix().matched);
282 assert(m.suffix().first == m[0].second);
283 assert(m.suffix().second == m[0].second);
284 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
285 assert(m.position(0) == 0);
286 assert(m.str(0) == s);
290 const char s[] = "abbbbbc";
291 assert(std::regex_match(s, m, std::regex("ab{3,5}c")));
292 assert(m.size() == 1);
293 assert(!m.prefix().matched);
294 assert(m.prefix().first == s);
295 assert(m.prefix().second == m[0].first);
296 assert(!m.suffix().matched);
297 assert(m.suffix().first == m[0].second);
298 assert(m.suffix().second == m[0].second);
299 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
300 assert(m.position(0) == 0);
301 assert(m.str(0) == s);
305 const char s[] = "adefc";
306 assert(!std::regex_match(s, m, std::regex("ab{3,5}c")));
307 assert(m.size() == 0);
311 const char s[] = "abbbbbbc";
312 assert(!std::regex_match(s, m, std::regex("ab{3,5}c")));
313 assert(m.size() == 0);
317 const char s[] = "adec";
318 assert(!std::regex_match(s, m, std::regex("a.{3,5}c")));
319 assert(m.size() == 0);
323 const char s[] = "adefc";
324 assert(std::regex_match(s, m, std::regex("a.{3,5}c")));
325 assert(m.size() == 1);
326 assert(!m.prefix().matched);
327 assert(m.prefix().first == s);
328 assert(m.prefix().second == m[0].first);
329 assert(!m.suffix().matched);
330 assert(m.suffix().first == m[0].second);
331 assert(m.suffix().second == m[0].second);
332 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
333 assert(m.position(0) == 0);
334 assert(m.str(0) == s);
338 const char s[] = "adefgc";
339 assert(std::regex_match(s, m, std::regex("a.{3,5}c")));
340 assert(m.size() == 1);
341 assert(!m.prefix().matched);
342 assert(m.prefix().first == s);
343 assert(m.prefix().second == m[0].first);
344 assert(!m.suffix().matched);
345 assert(m.suffix().first == m[0].second);
346 assert(m.suffix().second == m[0].second);
347 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
348 assert(m.position(0) == 0);
349 assert(m.str(0) == s);
353 const char s[] = "adefghc";
354 assert(std::regex_match(s, m, std::regex("a.{3,5}c")));
355 assert(m.size() == 1);
356 assert(!m.prefix().matched);
357 assert(m.prefix().first == s);
358 assert(m.prefix().second == m[0].first);
359 assert(!m.suffix().matched);
360 assert(m.suffix().first == m[0].second);
361 assert(m.suffix().second == m[0].second);
362 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
363 assert(m.position(0) == 0);
364 assert(m.str(0) == s);
368 const char s[] = "adefghic";
369 assert(!std::regex_match(s, m, std::regex("a.{3,5}c")));
370 assert(m.size() == 0);
374 // http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2273
375 const char s[] = "tournament";
376 assert(std::regex_match(s, m, std::regex("tour|to|tournament")));
377 assert(m.size() == 1);
378 assert(!m.prefix().matched);
379 assert(m.prefix().first == s);
380 assert(m.prefix().second == m[0].first);
381 assert(!m.suffix().matched);
382 assert(m.suffix().first == m[0].second);
383 assert(m.suffix().second == m[0].second);
384 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
385 assert(m.position(0) == 0);
386 assert(m.str(0) == s);
390 // http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2273
391 const char s[] = "tournamenttotour";
393 std::regex_match(s, m, std::regex("(tour|to|tournament)+",
394 std::regex_constants::nosubs)));
395 assert(m.size() == 1);
396 assert(!m.prefix().matched);
397 assert(m.prefix().first == s);
398 assert(m.prefix().second == m[0].first);
399 assert(!m.suffix().matched);
400 assert(m.suffix().first == m[0].second);
401 assert(m.suffix().second == m[0].second);
402 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
403 assert(m.position(0) == 0);
404 assert(m.str(0) == s);
408 const char s[] = "ttotour";
409 assert(std::regex_match(s, m, std::regex("(tour|to|t)+")));
410 assert(m.size() == 2);
411 assert(!m.prefix().matched);
412 assert(m.prefix().first == s);
413 assert(m.prefix().second == m[0].first);
414 assert(!m.suffix().matched);
415 assert(m.suffix().first == m[0].second);
416 assert(m.suffix().second == m[0].second);
417 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
418 assert(m.position(0) == 0);
419 assert(m.str(0) == s);
420 assert(m.length(1) == 4);
421 assert(m.position(1) == 3);
422 assert(m.str(1) == "tour");
426 const char s[] = "-ab,ab-";
427 assert(!std::regex_match(s, m, std::regex("-(.*),\1-")));
428 assert(m.size() == 0);
432 const char s[] = "-ab,ab-";
433 assert(std::regex_match(s, m, std::regex("-.*,.*-")));
434 assert(m.size() == 1);
435 assert(!m.prefix().matched);
436 assert(m.prefix().first == s);
437 assert(m.prefix().second == m[0].first);
438 assert(!m.suffix().matched);
439 assert(m.suffix().first == m[0].second);
440 assert(m.suffix().second == m[0].second);
441 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
442 assert(m.position(0) == 0);
443 assert(m.str(0) == s);
447 const char s[] = "a";
448 assert(std::regex_match(s, m, std::regex("^[a]$")));
449 assert(m.size() == 1);
450 assert(!m.prefix().matched);
451 assert(m.prefix().first == s);
452 assert(m.prefix().second == m[0].first);
453 assert(!m.suffix().matched);
454 assert(m.suffix().first == m[0].second);
455 assert(m.suffix().second == m[0].second);
456 assert(m.length(0) == 1);
457 assert(m.position(0) == 0);
458 assert(m.str(0) == "a");
462 const char s[] = "a";
463 assert(std::regex_match(s, m, std::regex("^[ab]$")));
464 assert(m.size() == 1);
465 assert(!m.prefix().matched);
466 assert(m.prefix().first == s);
467 assert(m.prefix().second == m[0].first);
468 assert(!m.suffix().matched);
469 assert(m.suffix().first == m[0].second);
470 assert(m.suffix().second == m[0].second);
471 assert(m.length(0) == 1);
472 assert(m.position(0) == 0);
473 assert(m.str(0) == "a");
477 const char s[] = "c";
478 assert(std::regex_match(s, m, std::regex("^[a-f]$")));
479 assert(m.size() == 1);
480 assert(!m.prefix().matched);
481 assert(m.prefix().first == s);
482 assert(m.prefix().second == m[0].first);
483 assert(!m.suffix().matched);
484 assert(m.suffix().first == m[0].second);
485 assert(m.suffix().second == m[0].second);
486 assert(m.length(0) == 1);
487 assert(m.position(0) == 0);
488 assert(m.str(0) == s);
492 const char s[] = "g";
493 assert(!std::regex_match(s, m, std::regex("^[a-f]$")));
494 assert(m.size() == 0);
498 const char s[] = "Iraqi";
499 assert(!std::regex_match(s, m, std::regex("q[^u]")));
500 assert(m.size() == 0);
504 const char s[] = "Iraq";
505 assert(!std::regex_match(s, m, std::regex("q[^u]")));
506 assert(m.size() == 0);
510 const char s[] = "AmB";
511 assert(std::regex_match(s, m, std::regex("A[[:lower:]]B")));
512 assert(m.size() == 1);
513 assert(!m.prefix().matched);
514 assert(m.prefix().first == s);
515 assert(m.prefix().second == m[0].first);
516 assert(!m.suffix().matched);
517 assert(m.suffix().first == m[0].second);
518 assert(m.suffix().second == m[0].second);
519 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
520 assert(m.position(0) == 0);
521 assert(m.str(0) == s);
525 const char s[] = "AMB";
526 assert(!std::regex_match(s, m, std::regex("A[[:lower:]]B")));
527 assert(m.size() == 0);
531 const char s[] = "AMB";
532 assert(std::regex_match(s, m, std::regex("A[^[:lower:]]B")));
533 assert(m.size() == 1);
534 assert(!m.prefix().matched);
535 assert(m.prefix().first == s);
536 assert(m.prefix().second == m[0].first);
537 assert(!m.suffix().matched);
538 assert(m.suffix().first == m[0].second);
539 assert(m.suffix().second == m[0].second);
540 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
541 assert(m.position(0) == 0);
542 assert(m.str(0) == s);
546 const char s[] = "AmB";
547 assert(!std::regex_match(s, m, std::regex("A[^[:lower:]]B")));
548 assert(m.size() == 0);
552 const char s[] = "A5B";
553 assert(!std::regex_match(s, m, std::regex("A[^[:lower:]0-9]B")));
554 assert(m.size() == 0);
558 const char s[] = "A?B";
559 assert(std::regex_match(s, m, std::regex("A[^[:lower:]0-9]B")));
560 assert(m.size() == 1);
561 assert(!m.prefix().matched);
562 assert(m.prefix().first == s);
563 assert(m.prefix().second == m[0].first);
564 assert(!m.suffix().matched);
565 assert(m.suffix().first == m[0].second);
566 assert(m.suffix().second == m[0].second);
567 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
568 assert(m.position(0) == 0);
569 assert(m.str(0) == s);
573 const char s[] = "-";
574 assert(std::regex_match(s, m, std::regex("[a[.hyphen.]z]")));
575 assert(m.size() == 1);
576 assert(!m.prefix().matched);
577 assert(m.prefix().first == s);
578 assert(m.prefix().second == m[0].first);
579 assert(!m.suffix().matched);
580 assert(m.suffix().first == m[0].second);
581 assert(m.suffix().second == m[0].second);
582 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
583 assert(m.position(0) == 0);
584 assert(m.str(0) == s);
588 const char s[] = "z";
589 assert(std::regex_match(s, m, std::regex("[a[.hyphen.]z]")));
590 assert(m.size() == 1);
591 assert(!m.prefix().matched);
592 assert(m.prefix().first == s);
593 assert(m.prefix().second == m[0].first);
594 assert(!m.suffix().matched);
595 assert(m.suffix().first == m[0].second);
596 assert(m.suffix().second == m[0].second);
597 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
598 assert(m.position(0) == 0);
599 assert(m.str(0) == s);
603 const char s[] = "m";
604 assert(!std::regex_match(s, m, std::regex("[a[.hyphen.]z]")));
605 assert(m.size() == 0);
607 std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
610 const char s[] = "m";
611 assert(std::regex_match(s, m, std::regex("[a[=M=]z]")));
612 assert(m.size() == 1);
613 assert(!m.prefix().matched);
614 assert(m.prefix().first == s);
615 assert(m.prefix().second == m[0].first);
616 assert(!m.suffix().matched);
617 assert(m.suffix().first == m[0].second);
618 assert(m.suffix().second == m[0].second);
619 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
620 assert(m.position(0) == 0);
621 assert(m.str(0) == s);
625 const char s[] = "Ch";
626 assert(std::regex_match(s, m, std::regex("[a[.ch.]z]",
627 std::regex_constants::icase)));
628 assert(m.size() == 1);
629 assert(!m.prefix().matched);
630 assert(m.prefix().first == s);
631 assert(m.prefix().second == m[0].first);
632 assert(!m.suffix().matched);
633 assert(m.suffix().first == m[0].second);
634 assert(m.suffix().second == m[0].second);
635 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
636 assert(m.position(0) == 0);
637 assert(m.str(0) == s);
641 const char s[] = "foobar";
642 assert(std::regex_match(s, m, std::regex("[^\\0]*")));
643 assert(m.size() == 1);
647 const char s[] = "foo\0bar";
648 assert(std::regex_match(s, s+7, m, std::regex("[abfor\\0]*")));
649 assert(m.size() == 1);
651 std::locale::global(std::locale("C"));
654 const char s[] = "m";
655 assert(!std::regex_match(s, m, std::regex("[a[=M=]z]")));
656 assert(m.size() == 0);
660 const char s[] = "01a45cef9";
661 assert(!std::regex_match(s, m, std::regex("[ace1-9]*")));
662 assert(m.size() == 0);
666 const char s[] = "01a45cef9";
667 assert(!std::regex_match(s, m, std::regex("[ace1-9]+")));
668 assert(m.size() == 0);
671 const char r[] = "^[-+]?[0-9]+[CF]$";
672 std::ptrdiff_t sr = std::char_traits<char>::length(r);
673 typedef forward_iterator<const char*> FI;
674 typedef bidirectional_iterator<const char*> BI;
675 std::regex regex(FI(r), FI(r+sr));
676 std::match_results<BI> m;
677 const char s[] = "-40C";
678 std::ptrdiff_t ss = std::char_traits<char>::length(s);
679 assert(std::regex_match(BI(s), BI(s+ss), m, regex));
680 assert(m.size() == 1);
681 assert(!m.prefix().matched);
682 assert(m.prefix().first == BI(s));
683 assert(m.prefix().second == m[0].first);
684 assert(!m.suffix().matched);
685 assert(m.suffix().first == m[0].second);
686 assert(m.suffix().second == m[0].second);
687 assert(m.length(0) == 4);
688 assert(m.position(0) == 0);
689 assert(m.str(0) == s);
693 const char s[] = "Jeff Jeffs ";
694 assert(!std::regex_match(s, m, std::regex("Jeff(?=s\\b)")));
695 assert(m.size() == 0);
699 const char s[] = "Jeffs Jeff";
700 assert(!std::regex_match(s, m, std::regex("Jeff(?!s\\b)")));
701 assert(m.size() == 0);
705 const char s[] = "5%k";
706 assert(std::regex_match(s, m, std::regex("\\d[\\W]k")));
707 assert(m.size() == 1);
708 assert(!m.prefix().matched);
709 assert(m.prefix().first == s);
710 assert(m.prefix().second == m[0].first);
711 assert(!m.suffix().matched);
712 assert(m.suffix().first == m[0].second);
713 assert(m.suffix().second == s + std::char_traits<char>::length(s));
714 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<char>::length(s));
715 assert(m.position(0) == 0);
716 assert(m.str(0) == s);
721 const wchar_t s[] = L"a";
722 assert(std::regex_match(s, m, std::wregex(L"a")));
723 assert(m.size() == 1);
725 assert(!m.prefix().matched);
726 assert(m.prefix().first == s);
727 assert(m.prefix().second == m[0].first);
728 assert(!m.suffix().matched);
729 assert(m.suffix().first == m[0].second);
730 assert(m.suffix().second == s+1);
731 assert(m.length(0) == 1);
732 assert(m.position(0) == 0);
733 assert(m.str(0) == L"a");
737 const wchar_t s[] = L"ab";
738 assert(std::regex_match(s, m, std::wregex(L"ab")));
739 assert(m.size() == 1);
740 assert(!m.prefix().matched);
741 assert(m.prefix().first == s);
742 assert(m.prefix().second == m[0].first);
743 assert(!m.suffix().matched);
744 assert(m.suffix().first == m[0].second);
745 assert(m.suffix().second == s+2);
746 assert(m.length(0) == 2);
747 assert(m.position(0) == 0);
748 assert(m.str(0) == L"ab");
752 const wchar_t s[] = L"ab";
753 assert(!std::regex_match(s, m, std::wregex(L"ba")));
754 assert(m.size() == 0);
759 const wchar_t s[] = L"aab";
760 assert(!std::regex_match(s, m, std::wregex(L"ab")));
761 assert(m.size() == 0);
765 const wchar_t s[] = L"aab";
766 assert(!std::regex_match(s, m, std::wregex(L"ab"),
767 std::regex_constants::match_continuous));
768 assert(m.size() == 0);
772 const wchar_t s[] = L"abcd";
773 assert(!std::regex_match(s, m, std::wregex(L"bc")));
774 assert(m.size() == 0);
778 const wchar_t s[] = L"abbc";
779 assert(std::regex_match(s, m, std::wregex(L"ab*c")));
780 assert(m.size() == 1);
781 assert(!m.prefix().matched);
782 assert(m.prefix().first == s);
783 assert(m.prefix().second == m[0].first);
784 assert(!m.suffix().matched);
785 assert(m.suffix().first == m[0].second);
786 assert(m.suffix().second == s+4);
787 assert(m.length(0) == 4);
788 assert(m.position(0) == 0);
789 assert(m.str(0) == s);
793 const wchar_t s[] = L"ababc";
794 assert(std::regex_match(s, m, std::wregex(L"(ab)*c")));
795 assert(m.size() == 2);
796 assert(!m.prefix().matched);
797 assert(m.prefix().first == s);
798 assert(m.prefix().second == m[0].first);
799 assert(!m.suffix().matched);
800 assert(m.suffix().first == m[0].second);
801 assert(m.suffix().second == s+5);
802 assert(m.length(0) == 5);
803 assert(m.position(0) == 0);
804 assert(m.str(0) == s);
805 assert(m.length(1) == 2);
806 assert(m.position(1) == 2);
807 assert(m.str(1) == L"ab");
811 const wchar_t s[] = L"abcdefghijk";
812 assert(!std::regex_match(s, m, std::wregex(L"cd((e)fg)hi")));
813 assert(m.size() == 0);
817 const wchar_t s[] = L"abc";
818 assert(std::regex_match(s, m, std::wregex(L"^abc")));
819 assert(m.size() == 1);
820 assert(!m.prefix().matched);
821 assert(m.prefix().first == s);
822 assert(m.prefix().second == m[0].first);
823 assert(!m.suffix().matched);
824 assert(m.suffix().first == m[0].second);
825 assert(m.suffix().second == s+3);
826 assert(m.length(0) == 3);
827 assert(m.position(0) == 0);
828 assert(m.str(0) == s);
832 const wchar_t s[] = L"abcd";
833 assert(!std::regex_match(s, m, std::wregex(L"^abc")));
834 assert(m.size() == 0);
838 const wchar_t s[] = L"aabc";
839 assert(!std::regex_match(s, m, std::wregex(L"^abc")));
840 assert(m.size() == 0);
844 const wchar_t s[] = L"abc";
845 assert(std::regex_match(s, m, std::wregex(L"abc$")));
846 assert(m.size() == 1);
847 assert(!m.prefix().matched);
848 assert(m.prefix().first == s);
849 assert(m.prefix().second == m[0].first);
850 assert(!m.suffix().matched);
851 assert(m.suffix().first == m[0].second);
852 assert(m.suffix().second == s+3);
853 assert(m.length(0) == 3);
854 assert(m.position(0) == 0);
855 assert(m.str(0) == s);
859 const wchar_t s[] = L"efabc";
860 assert(!std::regex_match(s, m, std::wregex(L"abc$")));
861 assert(m.size() == 0);
865 const wchar_t s[] = L"efabcg";
866 assert(!std::regex_match(s, m, std::wregex(L"abc$")));
867 assert(m.size() == 0);
871 const wchar_t s[] = L"abc";
872 assert(std::regex_match(s, m, std::wregex(L"a.c")));
873 assert(m.size() == 1);
874 assert(!m.prefix().matched);
875 assert(m.prefix().first == s);
876 assert(m.prefix().second == m[0].first);
877 assert(!m.suffix().matched);
878 assert(m.suffix().first == m[0].second);
879 assert(m.suffix().second == s+3);
880 assert(m.length(0) == 3);
881 assert(m.position(0) == 0);
882 assert(m.str(0) == s);
886 const wchar_t s[] = L"acc";
887 assert(std::regex_match(s, m, std::wregex(L"a.c")));
888 assert(m.size() == 1);
889 assert(!m.prefix().matched);
890 assert(m.prefix().first == s);
891 assert(m.prefix().second == m[0].first);
892 assert(!m.suffix().matched);
893 assert(m.suffix().first == m[0].second);
894 assert(m.suffix().second == s+3);
895 assert(m.length(0) == 3);
896 assert(m.position(0) == 0);
897 assert(m.str(0) == s);
901 const wchar_t s[] = L"acc";
902 assert(std::regex_match(s, m, std::wregex(L"a.c")));
903 assert(m.size() == 1);
904 assert(!m.prefix().matched);
905 assert(m.prefix().first == s);
906 assert(m.prefix().second == m[0].first);
907 assert(!m.suffix().matched);
908 assert(m.suffix().first == m[0].second);
909 assert(m.suffix().second == s+3);
910 assert(m.length(0) == 3);
911 assert(m.position(0) == 0);
912 assert(m.str(0) == s);
916 const wchar_t s[] = L"abcdef";
917 assert(std::regex_match(s, m, std::wregex(L"(.*).*")));
918 assert(m.size() == 2);
919 assert(!m.prefix().matched);
920 assert(m.prefix().first == s);
921 assert(m.prefix().second == m[0].first);
922 assert(!m.suffix().matched);
923 assert(m.suffix().first == m[0].second);
924 assert(m.suffix().second == s+6);
925 assert(m.length(0) == 6);
926 assert(m.position(0) == 0);
927 assert(m.str(0) == s);
928 assert(m.length(1) == 6);
929 assert(m.position(1) == 0);
930 assert(m.str(1) == s);
934 const wchar_t s[] = L"bc";
935 assert(!std::regex_match(s, m, std::wregex(L"(a*)*")));
936 assert(m.size() == 0);
940 const wchar_t s[] = L"abbc";
941 assert(!std::regex_match(s, m, std::wregex(L"ab{3,5}c")));
942 assert(m.size() == 0);
946 const wchar_t s[] = L"abbbc";
947 assert(std::regex_match(s, m, std::wregex(L"ab{3,5}c")));
948 assert(m.size() == 1);
949 assert(!m.prefix().matched);
950 assert(m.prefix().first == s);
951 assert(m.prefix().second == m[0].first);
952 assert(!m.suffix().matched);
953 assert(m.suffix().first == m[0].second);
954 assert(m.suffix().second == m[0].second);
955 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
956 assert(m.position(0) == 0);
957 assert(m.str(0) == s);
961 const wchar_t s[] = L"abbbbc";
962 assert(std::regex_match(s, m, std::wregex(L"ab{3,5}c")));
963 assert(m.size() == 1);
964 assert(!m.prefix().matched);
965 assert(m.prefix().first == s);
966 assert(m.prefix().second == m[0].first);
967 assert(!m.suffix().matched);
968 assert(m.suffix().first == m[0].second);
969 assert(m.suffix().second == m[0].second);
970 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
971 assert(m.position(0) == 0);
972 assert(m.str(0) == s);
976 const wchar_t s[] = L"abbbbbc";
977 assert(std::regex_match(s, m, std::wregex(L"ab{3,5}c")));
978 assert(m.size() == 1);
979 assert(!m.prefix().matched);
980 assert(m.prefix().first == s);
981 assert(m.prefix().second == m[0].first);
982 assert(!m.suffix().matched);
983 assert(m.suffix().first == m[0].second);
984 assert(m.suffix().second == m[0].second);
985 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
986 assert(m.position(0) == 0);
987 assert(m.str(0) == s);
991 const wchar_t s[] = L"adefc";
992 assert(!std::regex_match(s, m, std::wregex(L"ab{3,5}c")));
993 assert(m.size() == 0);
997 const wchar_t s[] = L"abbbbbbc";
998 assert(!std::regex_match(s, m, std::wregex(L"ab{3,5}c")));
999 assert(m.size() == 0);
1003 const wchar_t s[] = L"adec";
1004 assert(!std::regex_match(s, m, std::wregex(L"a.{3,5}c")));
1005 assert(m.size() == 0);
1009 const wchar_t s[] = L"adefc";
1010 assert(std::regex_match(s, m, std::wregex(L"a.{3,5}c")));
1011 assert(m.size() == 1);
1012 assert(!m.prefix().matched);
1013 assert(m.prefix().first == s);
1014 assert(m.prefix().second == m[0].first);
1015 assert(!m.suffix().matched);
1016 assert(m.suffix().first == m[0].second);
1017 assert(m.suffix().second == m[0].second);
1018 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1019 assert(m.position(0) == 0);
1020 assert(m.str(0) == s);
1024 const wchar_t s[] = L"adefgc";
1025 assert(std::regex_match(s, m, std::wregex(L"a.{3,5}c")));
1026 assert(m.size() == 1);
1027 assert(!m.prefix().matched);
1028 assert(m.prefix().first == s);
1029 assert(m.prefix().second == m[0].first);
1030 assert(!m.suffix().matched);
1031 assert(m.suffix().first == m[0].second);
1032 assert(m.suffix().second == m[0].second);
1033 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1034 assert(m.position(0) == 0);
1035 assert(m.str(0) == s);
1039 const wchar_t s[] = L"adefghc";
1040 assert(std::regex_match(s, m, std::wregex(L"a.{3,5}c")));
1041 assert(m.size() == 1);
1042 assert(!m.prefix().matched);
1043 assert(m.prefix().first == s);
1044 assert(m.prefix().second == m[0].first);
1045 assert(!m.suffix().matched);
1046 assert(m.suffix().first == m[0].second);
1047 assert(m.suffix().second == m[0].second);
1048 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1049 assert(m.position(0) == 0);
1050 assert(m.str(0) == s);
1054 const wchar_t s[] = L"adefghic";
1055 assert(!std::regex_match(s, m, std::wregex(L"a.{3,5}c")));
1056 assert(m.size() == 0);
1060 // http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2273
1061 const wchar_t s[] = L"tournament";
1062 assert(std::regex_match(s, m, std::wregex(L"tour|to|tournament")));
1063 assert(m.size() == 1);
1064 assert(!m.prefix().matched);
1065 assert(m.prefix().first == s);
1066 assert(m.prefix().second == m[0].first);
1067 assert(!m.suffix().matched);
1068 assert(m.suffix().first == m[0].second);
1069 assert(m.suffix().second == m[0].second);
1070 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1071 assert(m.position(0) == 0);
1072 assert(m.str(0) == s);
1076 // http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2273
1077 const wchar_t s[] = L"tournamenttotour";
1079 std::regex_match(s, m, std::wregex(L"(tour|to|tournament)+",
1080 std::regex_constants::nosubs)));
1081 assert(m.size() == 1);
1082 assert(!m.prefix().matched);
1083 assert(m.prefix().first == s);
1084 assert(m.prefix().second == m[0].first);
1085 assert(!m.suffix().matched);
1086 assert(m.suffix().first == m[0].second);
1087 assert(m.suffix().second == m[0].second);
1088 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1089 assert(m.position(0) == 0);
1090 assert(m.str(0) == s);
1094 const wchar_t s[] = L"ttotour";
1095 assert(std::regex_match(s, m, std::wregex(L"(tour|to|t)+")));
1096 assert(m.size() == 2);
1097 assert(!m.prefix().matched);
1098 assert(m.prefix().first == s);
1099 assert(m.prefix().second == m[0].first);
1100 assert(!m.suffix().matched);
1101 assert(m.suffix().first == m[0].second);
1102 assert(m.suffix().second == m[0].second);
1103 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1104 assert(m.position(0) == 0);
1105 assert(m.str(0) == s);
1106 assert(m.length(1) == 4);
1107 assert(m.position(1) == 3);
1108 assert(m.str(1) == L"tour");
1112 const wchar_t s[] = L"-ab,ab-";
1113 assert(!std::regex_match(s, m, std::wregex(L"-(.*),\1-")));
1114 assert(m.size() == 0);
1118 const wchar_t s[] = L"-ab,ab-";
1119 assert(std::regex_match(s, m, std::wregex(L"-.*,.*-")));
1120 assert(m.size() == 1);
1121 assert(!m.prefix().matched);
1122 assert(m.prefix().first == s);
1123 assert(m.prefix().second == m[0].first);
1124 assert(!m.suffix().matched);
1125 assert(m.suffix().first == m[0].second);
1126 assert(m.suffix().second == m[0].second);
1127 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1128 assert(m.position(0) == 0);
1129 assert(m.str(0) == s);
1133 const wchar_t s[] = L"a";
1134 assert(std::regex_match(s, m, std::wregex(L"^[a]$")));
1135 assert(m.size() == 1);
1136 assert(!m.prefix().matched);
1137 assert(m.prefix().first == s);
1138 assert(m.prefix().second == m[0].first);
1139 assert(!m.suffix().matched);
1140 assert(m.suffix().first == m[0].second);
1141 assert(m.suffix().second == m[0].second);
1142 assert(m.length(0) == 1);
1143 assert(m.position(0) == 0);
1144 assert(m.str(0) == L"a");
1148 const wchar_t s[] = L"a";
1149 assert(std::regex_match(s, m, std::wregex(L"^[ab]$")));
1150 assert(m.size() == 1);
1151 assert(!m.prefix().matched);
1152 assert(m.prefix().first == s);
1153 assert(m.prefix().second == m[0].first);
1154 assert(!m.suffix().matched);
1155 assert(m.suffix().first == m[0].second);
1156 assert(m.suffix().second == m[0].second);
1157 assert(m.length(0) == 1);
1158 assert(m.position(0) == 0);
1159 assert(m.str(0) == L"a");
1163 const wchar_t s[] = L"c";
1164 assert(std::regex_match(s, m, std::wregex(L"^[a-f]$")));
1165 assert(m.size() == 1);
1166 assert(!m.prefix().matched);
1167 assert(m.prefix().first == s);
1168 assert(m.prefix().second == m[0].first);
1169 assert(!m.suffix().matched);
1170 assert(m.suffix().first == m[0].second);
1171 assert(m.suffix().second == m[0].second);
1172 assert(m.length(0) == 1);
1173 assert(m.position(0) == 0);
1174 assert(m.str(0) == s);
1178 const wchar_t s[] = L"g";
1179 assert(!std::regex_match(s, m, std::wregex(L"^[a-f]$")));
1180 assert(m.size() == 0);
1184 const wchar_t s[] = L"Iraqi";
1185 assert(!std::regex_match(s, m, std::wregex(L"q[^u]")));
1186 assert(m.size() == 0);
1190 const wchar_t s[] = L"Iraq";
1191 assert(!std::regex_match(s, m, std::wregex(L"q[^u]")));
1192 assert(m.size() == 0);
1196 const wchar_t s[] = L"AmB";
1197 assert(std::regex_match(s, m, std::wregex(L"A[[:lower:]]B")));
1198 assert(m.size() == 1);
1199 assert(!m.prefix().matched);
1200 assert(m.prefix().first == s);
1201 assert(m.prefix().second == m[0].first);
1202 assert(!m.suffix().matched);
1203 assert(m.suffix().first == m[0].second);
1204 assert(m.suffix().second == m[0].second);
1205 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1206 assert(m.position(0) == 0);
1207 assert(m.str(0) == s);
1211 const wchar_t s[] = L"AMB";
1212 assert(!std::regex_match(s, m, std::wregex(L"A[[:lower:]]B")));
1213 assert(m.size() == 0);
1217 const wchar_t s[] = L"AMB";
1218 assert(std::regex_match(s, m, std::wregex(L"A[^[:lower:]]B")));
1219 assert(m.size() == 1);
1220 assert(!m.prefix().matched);
1221 assert(m.prefix().first == s);
1222 assert(m.prefix().second == m[0].first);
1223 assert(!m.suffix().matched);
1224 assert(m.suffix().first == m[0].second);
1225 assert(m.suffix().second == m[0].second);
1226 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1227 assert(m.position(0) == 0);
1228 assert(m.str(0) == s);
1232 const wchar_t s[] = L"AmB";
1233 assert(!std::regex_match(s, m, std::wregex(L"A[^[:lower:]]B")));
1234 assert(m.size() == 0);
1238 const wchar_t s[] = L"A5B";
1239 assert(!std::regex_match(s, m, std::wregex(L"A[^[:lower:]0-9]B")));
1240 assert(m.size() == 0);
1244 const wchar_t s[] = L"A?B";
1245 assert(std::regex_match(s, m, std::wregex(L"A[^[:lower:]0-9]B")));
1246 assert(m.size() == 1);
1247 assert(!m.prefix().matched);
1248 assert(m.prefix().first == s);
1249 assert(m.prefix().second == m[0].first);
1250 assert(!m.suffix().matched);
1251 assert(m.suffix().first == m[0].second);
1252 assert(m.suffix().second == m[0].second);
1253 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1254 assert(m.position(0) == 0);
1255 assert(m.str(0) == s);
1259 const wchar_t s[] = L"-";
1260 assert(std::regex_match(s, m, std::wregex(L"[a[.hyphen.]z]")));
1261 assert(m.size() == 1);
1262 assert(!m.prefix().matched);
1263 assert(m.prefix().first == s);
1264 assert(m.prefix().second == m[0].first);
1265 assert(!m.suffix().matched);
1266 assert(m.suffix().first == m[0].second);
1267 assert(m.suffix().second == m[0].second);
1268 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1269 assert(m.position(0) == 0);
1270 assert(m.str(0) == s);
1274 const wchar_t s[] = L"z";
1275 assert(std::regex_match(s, m, std::wregex(L"[a[.hyphen.]z]")));
1276 assert(m.size() == 1);
1277 assert(!m.prefix().matched);
1278 assert(m.prefix().first == s);
1279 assert(m.prefix().second == m[0].first);
1280 assert(!m.suffix().matched);
1281 assert(m.suffix().first == m[0].second);
1282 assert(m.suffix().second == m[0].second);
1283 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1284 assert(m.position(0) == 0);
1285 assert(m.str(0) == s);
1289 const wchar_t s[] = L"m";
1290 assert(!std::regex_match(s, m, std::wregex(L"[a[.hyphen.]z]")));
1291 assert(m.size() == 0);
1293 std::locale::global(std::locale(LOCALE_cs_CZ_ISO8859_2));
1296 const wchar_t s[] = L"m";
1297 assert(std::regex_match(s, m, std::wregex(L"[a[=M=]z]")));
1298 assert(m.size() == 1);
1299 assert(!m.prefix().matched);
1300 assert(m.prefix().first == s);
1301 assert(m.prefix().second == m[0].first);
1302 assert(!m.suffix().matched);
1303 assert(m.suffix().first == m[0].second);
1304 assert(m.suffix().second == m[0].second);
1305 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1306 assert(m.position(0) == 0);
1307 assert(m.str(0) == s);
1311 const wchar_t s[] = L"Ch";
1312 assert(std::regex_match(s, m, std::wregex(L"[a[.ch.]z]",
1313 std::regex_constants::icase)));
1314 assert(m.size() == 1);
1315 assert(!m.prefix().matched);
1316 assert(m.prefix().first == s);
1317 assert(m.prefix().second == m[0].first);
1318 assert(!m.suffix().matched);
1319 assert(m.suffix().first == m[0].second);
1320 assert(m.suffix().second == m[0].second);
1321 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1322 assert(m.position(0) == 0);
1323 assert(m.str(0) == s);
1325 std::locale::global(std::locale("C"));
1328 const wchar_t s[] = L"m";
1329 assert(!std::regex_match(s, m, std::wregex(L"[a[=M=]z]")));
1330 assert(m.size() == 0);
1334 const wchar_t s[] = L"01a45cef9";
1335 assert(!std::regex_match(s, m, std::wregex(L"[ace1-9]*")));
1336 assert(m.size() == 0);
1340 const wchar_t s[] = L"01a45cef9";
1341 assert(!std::regex_match(s, m, std::wregex(L"[ace1-9]+")));
1342 assert(m.size() == 0);
1345 const wchar_t r[] = L"^[-+]?[0-9]+[CF]$";
1346 std::ptrdiff_t sr = std::char_traits<wchar_t>::length(r);
1347 typedef forward_iterator<const wchar_t*> FI;
1348 typedef bidirectional_iterator<const wchar_t*> BI;
1349 std::wregex regex(FI(r), FI(r+sr));
1350 std::match_results<BI> m;
1351 const wchar_t s[] = L"-40C";
1352 std::ptrdiff_t ss = std::char_traits<wchar_t>::length(s);
1353 assert(std::regex_match(BI(s), BI(s+ss), m, regex));
1354 assert(m.size() == 1);
1355 assert(!m.prefix().matched);
1356 assert(m.prefix().first == BI(s));
1357 assert(m.prefix().second == m[0].first);
1358 assert(!m.suffix().matched);
1359 assert(m.suffix().first == m[0].second);
1360 assert(m.suffix().second == m[0].second);
1361 assert(m.length(0) == 4);
1362 assert(m.position(0) == 0);
1363 assert(m.str(0) == s);
1367 const wchar_t s[] = L"Jeff Jeffs ";
1368 assert(!std::regex_match(s, m, std::wregex(L"Jeff(?=s\\b)")));
1369 assert(m.size() == 0);
1373 const wchar_t s[] = L"Jeffs Jeff";
1374 assert(!std::regex_match(s, m, std::wregex(L"Jeff(?!s\\b)")));
1375 assert(m.size() == 0);
1379 const wchar_t s[] = L"5%k";
1380 assert(std::regex_match(s, m, std::wregex(L"\\d[\\W]k")));
1381 assert(m.size() == 1);
1382 assert(!m.prefix().matched);
1383 assert(m.prefix().first == s);
1384 assert(m.prefix().second == m[0].first);
1385 assert(!m.suffix().matched);
1386 assert(m.suffix().first == m[0].second);
1387 assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s));
1388 assert(m.length(0) >= 0 && static_cast<size_t>(m.length(0)) == std::char_traits<wchar_t>::length(s));
1389 assert(m.position(0) == 0);
1390 assert(m.str(0) == s);