Is there any possibility for catastrophic backtracking at any point of time while using capturing groups inside positive lookahead regular expression?

score 52 · Answer 6 · 2022-07-13T18:56:39.253000

52

Views

Why is my grep lookahead retrieving the same value twice?

Published on 13 July 2022 at 18:56

score 128 · Answer 7 · 2022-05-09T13:47:46.687000

128

Views

Convert regex positive look ahead to sed operation

Published on 09 May 2022 at 13:47

score 69 · Answer 8 · 2022-01-18T21:39:42.660000

69

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Published on 18 January 2022 at 21:39

score 140 · Answer 9 · 2021-10-11T10:00:18.377000

140

Views

postgres regex positive lookahead is not working as expected

Published on 11 October 2021 at 10:00

score 77 · Answer 10 · 2021-09-03T09:18:39.873000

77

Views

Regex includes Lookahead strings in selection

Published on 03 September 2021 at 09:18

score 312 · Answer 11 · 2021-07-18T07:47:32.980000

312

Views

positive lookahead works whereas negative lookbehind doesn't

Published on 18 July 2021 at 07:47

score 235 · Answer 12 · 2021-03-30T09:22:57.793000

235

Views

How to split look-ahead regex into 2 plain regexes?

Published on 30 March 2021 at 09:22

score 1.1k · Answer 13 · 2021-02-09T06:00:51.390000

1.1k

Views

How to rewrite regexp without positive look-ahead?

Published on 09 February 2021 at 06:00

score 617 · Answer 14 · 2020-11-10T07:12:37.013000

617

Views

What is wrong in my regex /(?=^[a-z]+\d{2,})(?=\w{5,})/ pattern?

Published on 10 November 2020 at 07:12

score 354 · Answer 15 · 2020-10-28T11:44:44.660000

354

Views

Java regex positive look-ahead but match unique characters only?

Published on 28 October 2020 at 11:44

score 124 · Answer 16 · 2020-09-30T05:09:10.177000

124

Views

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Published on 30 September 2020 at 05:09

score 18 · Answer 17 · 2020-09-21T16:33:46.213000

18

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Published on 21 September 2020 at 16:33

score 58 · Answer 18 · 2020-09-16T18:54:59.973000

58

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Published on 16 September 2020 at 18:54

score 71 · Answer 19 · 2020-09-03T20:09:49.947000

71

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score 267 · Answer 20 · 2020-05-16T03:46:51.240000

267

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