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| From | Ilkka Virta <itvirta@iki.fi> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Incorrect example for `[[` command. |
| Date | Sat, 21 Sep 2019 12:34:39 +0300 |
| Lines | 22 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.713.1569058490.2190.bug-bash@gnu.org> (permalink) |
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| To | hk <hkadeveloper@gmail.com> |
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On 21.9. 03:12, hk wrote: > Thanks for the reply. I was wrong in my report. It does match values like > aab and aaaaaab in its original form. In some systems, yes. (It does that on my Debian, but doesn't work at all on my Mac.) > It is syntatically correct as a regular expression. [[:space:]]*?(a)b isn't a well-defined POSIX ERE: 9.4.6 EREs Matching Multiple Characters The behavior of multiple adjacent duplication symbols ( '+', '*', '?', and intervals) produces undefined results. https://pubs.opengroup.org/onlinepubs/9699919799.2018edition/basedefs/V1_chap09.html -- Ilkka Virta / itvirta@iki.fi
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Re: Incorrect example for `[[` command. Ilkka Virta <itvirta@iki.fi> - 2019-09-21 12:34 +0300
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