A NOTE has been added to this issue. ====================================================================== https://austingroupbugs.net/view.php?id=1857 ====================================================================== Reported By: dannyniu Assigned To: ====================================================================== Project: 1003.1(2024)/Issue8 Issue ID: 1857 Category: Base Definitions and Headers Type: Error Severity: Objection Priority: normal Status: New Name: DannyNiu/NJF Organization: Individual User Reference: Section: 9.1 Regular Expression Definitions # and others. Page Number: 179-180 and others Line Number: 6366-6368 and others. Interp Status: --- Final Accepted Text: ====================================================================== Date Submitted: 2024-09-14 12:54 UTC Last Modified: 2024-09-30 09:26 UTC ====================================================================== Summary: Several problems with the new "lazy" regex quantifier. ======================================================================
---------------------------------------------------------------------- (0006898) geoffclare (manager) - 2024-09-30 09:26 https://austingroupbugs.net/view.php?id=1857#c6898 ---------------------------------------------------------------------- > Geoff, have you considered my torture testing case? How do you see your wording cover that case? - regex: [0-9](((((([0-9][a-z]+[0-9])+?)+)+?)+)+?)+[0-9] - string to be matched: 12abc34def56ghi78jkl90mnop12qrst34uvw56xyz78 The key part of my suggested wording is "the longest such sequence for which any minimal repetitions used in the match have the shortest possible match". first [0-9] matches the first 1 ([0-9][a-z]+[0-9])+? matches 2abc3 with 1 repetition (and 3 of [a-z] obviously) (([0-9][a-z]+[0-9])+?)+ matches 2abc3 with 1 repetition as that's the longest match for which the minimal repetition has the shortest match ((([0-9][a-z]+[0-9])+?)+)+? matches 2abc3 with 1 repetition (((([0-9][a-z]+[0-9])+?)+)+?)+ matches 2abc3 with 1 repetition as that's the longest match for which the minimal repetitions have the shortest match ((((([0-9][a-z]+[0-9])+?)+)+?)+)+? matches 2abc3 with 1 repetition (((((([0-9][a-z]+[0-9])+?)+)+?)+)+?)+ matches 2abc3 with 1 repetition as that's the longest match for which the minimal repetitions have the shortest match final [0-9] matches the first 4 matched string is 12abc34 Issue History Date Modified Username Field Change ====================================================================== 2024-09-14 12:54 dannyniu New Issue 2024-09-14 12:54 dannyniu Name => DannyNiu/NJF 2024-09-14 12:54 dannyniu Organization => Individual 2024-09-14 12:54 dannyniu Section => 9.1 Regular Expression Definitions # and others. 2024-09-14 12:54 dannyniu Page Number => 179-180 and others 2024-09-14 12:54 dannyniu Line Number => 6366-6368 and others. 2024-09-20 08:05 dannyniu Note Added: 0006879 2024-09-20 08:07 dannyniu Note Edited: 0006879 2024-09-20 08:13 dannyniu Note Edited: 0006879 2024-09-23 08:56 geoffclare Note Added: 0006880 2024-09-24 10:46 geoffclare Note Added: 0006881 2024-09-24 10:46 geoffclare Note Edited: 0006881 2024-09-24 11:54 dannyniu Note Added: 0006882 2024-09-24 12:08 dannyniu Note Edited: 0006882 2024-09-24 12:09 dannyniu Note Edited: 0006882 2024-09-24 12:11 dannyniu Note Edited: 0006882 2024-09-24 12:12 dannyniu Note Edited: 0006882 2024-09-24 14:04 geoffclare Note Added: 0006883 2024-09-25 08:28 dannyniu Note Added: 0006884 2024-09-25 08:30 dannyniu Note Edited: 0006884 2024-09-25 08:33 dannyniu Note Edited: 0006884 2024-09-25 08:42 dannyniu Note Edited: 0006884 2024-09-25 08:43 dannyniu Note Edited: 0006884 2024-09-25 11:36 dannyniu Note Edited: 0006884 2024-09-25 13:17 geoffclare Note Added: 0006885 2024-09-25 15:08 dannyniu Note Added: 0006886 2024-09-25 15:17 dannyniu Note Edited: 0006886 2024-09-25 15:23 dannyniu Note Edited: 0006886 2024-09-25 15:27 dannyniu Note Edited: 0006886 2024-09-25 22:10 steffen Note Added: 0006887 2024-09-25 22:33 steffen Note Added: 0006888 2024-09-25 22:36 steffen Note Added: 0006889 2024-09-26 04:02 dannyniu Note Edited: 0006886 2024-09-26 06:50 dannyniu Note Edited: 0006886 2024-09-26 08:41 geoffclare Note Added: 0006890 2024-09-26 11:43 dannyniu Note Added: 0006891 2024-09-26 11:50 dannyniu Note Edited: 0006891 2024-09-26 12:16 geoffclare Note Added: 0006892 2024-09-26 12:17 geoffclare Note Edited: 0006892 2024-09-26 13:27 geoffclare Note Edited: 0006881 2024-09-26 13:28 geoffclare Note Edited: 0006881 2024-09-26 13:30 geoffclare Note Edited: 0006892 2024-09-27 07:09 geoffclare Note Edited: 0006885 2024-09-27 11:34 dannyniu Note Added: 0006896 2024-09-27 11:37 dannyniu Note Edited: 0006896 2024-09-27 15:51 steffen Note Added: 0006897 2024-09-30 09:26 geoffclare Note Added: 0006898 ======================================================================
