Tag: regular-expression

351 Regex that only matches itself 2014-05-30T16:20:31.400

161 Debunking Stroustrup's debunking of the myth “C++ is for large, complicated, programs only” 2015-01-07T05:08:24.560

82 Regex, Paper, Scissors, Lizard, Spock 2017-07-05T12:50:54.073

76 Hard code golf: Regex for divisibility by 7 2011-08-19T20:21:45.450

75 Cops and Robbers: Reverse Regex Golf 2014-10-14T08:41:45.363

66 Regex Golf: Verify a Sudoku Solution 2016-04-21T21:37:27.557

64 Shortest unmatchable regular expression 2014-01-13T17:19:26.717

45 Tips for Regex Golf 2015-03-05T11:06:40.263

41 A Different Kind of Meta Regex Golf 2014-11-13T18:59:06.573

41 Cops: Make a regex - Make a snake 2017-03-08T13:57:25.487

39 Adding Numbers with Regex 2015-03-09T10:47:27.170

36 HexaRegex: A Tribute to Martin Ender 2016-08-02T23:38:15.623

33 Interpret /// (pronounced 'slashes') 2014-08-29T00:10:16.413

30 Meta regex golf 2014-01-06T08:10:43.477

29 Match strings whose length is a fourth power 2014-01-23T20:21:47.400

28 Gotta Match Them All! Write a regex to match the original 151 Pokemon but no subsequent Pokemon 2015-03-09T18:27:05.547

27 A regex to match three consecutive integers iff the third integer is the sum of the first two 2017-12-13T15:32:28.333

26 Reverse a regex 2015-11-04T13:31:21.617

25 Partial Ordering of Regex Patterns 2014-12-05T16:20:41.363

24 Complement a POSIX Extended Regular Expression 2014-03-17T03:14:07.297

23 Regex Golf: Regions of Italy vs. States of USA 2014-01-07T04:03:51.550

21 Singular or plural? 2014-01-16T23:41:22.060

21 Cross-matching regular expressions 2014-03-02T15:15:12.037

21 Compile Regexes (By Substitution) 2015-11-17T14:42:10.640

21 Robbers: Crack the regex - Make a snake 2017-03-08T13:58:26.740

21 Check if simple regex matches string 2019-12-14T20:09:09.947

20 Shortest simple regex matching a binary word 2016-06-07T18:51:40.087

18 Regex in reverse - decompose regular expressions 2014-04-05T13:31:07.293

18 Sum the time durations 2014-12-11T09:59:53.817

18 Remove single line and multiline comments from string 2015-04-01T10:51:10.063

18 Make a regex polyglot 2016-12-03T07:38:36.137

18 Regex: Match an egalitarian series 2017-11-19T07:59:26.750

18 Complement of a Regex 2018-04-03T05:08:24.303

17 Compile Regexes 2012-08-18T22:37:13.253

16 ValiDate ISO 8601 by RX 2015-08-12T12:20:25.937

16 Match the Stack Exchange URLs 2016-09-27T17:57:12.227

16 Match the permutations! 2016-11-22T04:52:35.587

16 The Binary Fences 2018-10-08T12:03:45.070

15 Shortest URL regex match in JavaScript 2011-02-04T04:15:17.477

15 Implement glob Matcher 2011-02-04T06:04:50.113

15 Self-matching regex 2012-07-27T19:51:52.613

14 The codegolf object 2016-11-30T09:45:11.517

14 Regex for multiples of 9 2018-02-20T23:48:43.117

13 Implement PCRE in your language. 2011-02-21T20:18:32.000

13 Is that word Feminine or Masculine? 2015-05-04T05:19:26.367

13 Quinean Regex Tester 2016-01-12T02:26:51.383

13 Duct Tape a Regex Decider 2019-09-24T15:41:17.387

11 Generating minimal regular expression character classes 2021-02-18T15:20:38.823

10 Regex for Finding Radioactive Elements 2014-01-08T21:31:34.413

10 RegEx-golf: match all contents in a string 2016-05-20T10:04:24.667

9 Inverse regex of compound interest 2016-05-12T18:47:11.177

8 Generate regular expressions for matching natural numbers between `m` and `n` 2013-03-21T07:04:11.790

8 Python: I wish I was PHP 2014-10-23T21:30:18.467

7 Regex that matches everything but itself 2017-06-09T01:22:57.700

7 Regular expression parser 2017-06-09T22:27:42.220

7 The greedy regex (cops) 2017-08-29T01:09:31.210

7 Insert commas into numbers 2019-06-08T10:44:00.537

6 Regex that matches any regex 2014-05-29T13:37:21.903

6 Is case sensitivity important? Part II: reality check 2016-07-14T09:08:27.150

6 Create a regex to match a given range of integers in a given radix 2017-12-18T16:05:03.933

6 Count regex matches 2020-02-13T07:29:38.087

6 Resource for generating shortest regex given a list of strings 2020-05-19T11:47:03.047

5 Negative Regexp 2011-07-11T03:34:20.077

5 Regex golf and ccTLDs, hooray! 2019-08-02T14:43:56.787

4 Convert Regexes 2012-08-23T01:29:00.077

4 Match strings whose length is isolated prime 2014-02-07T21:11:00.527

4 Distinguish English and Spanish with regular expressions 2020-07-22T21:39:37.007

3 Regex for Finding Non-Radioactive Elements 2014-01-08T21:40:21.263

3 Reverse Regular expressions 2014-02-23T16:52:05.000

3 Words of centuries 2015-03-16T15:02:30.463

3 The greedy regex (robbers) 2017-08-29T01:08:29.687

2 Simple regex parser 2015-10-25T20:50:23.693

2 Find the last three words of each paragraph if they are shorter than 20 characters in total 2016-05-19T08:43:47.570

2 Check if a pattern appears in a DNA sequence 2016-06-09T21:08:50.713

2 Find letter-similar words in a word list 2017-02-08T08:11:07.973

1 Regular Expression to find a pangram 2018-09-25T21:33:23.690

1 Print everything which a regular expression matches 2019-07-19T05:12:06.037

0 Make a regex that matches certain binary numbers 2013-12-23T14:09:22.623

0 Regex - Match half of the strings 2014-01-16T20:49:45.593

-1 POSIX reg. exp to test the divisibility by 9 2014-03-06T20:04:18.953

-2 Algorithm for finding a regex for a list of "words" 2014-11-21T20:15:24.830

-2 A regex to satisfy the grammar police (there vs. their vs they're) 2016-10-20T17:32:29.210

-2 FreeChat Online 2018-11-14T03:49:48.427

-3 Regex only base64 decoder 2018-12-11T10:09:47.690

-4 A regexp that does not match itself 2015-11-05T20:11:44.693