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bug#22655: grep -Pz '^' now fails!
From: |
Stephane Chazelas |
Subject: |
bug#22655: grep -Pz '^' now fails! |
Date: |
Sun, 20 Nov 2016 07:14:28 +0000 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
2016-11-19 15:12:41 -0800, Paul Eggert:
> Aaron Crane wrote:
> >I'm not sure it's ideal to use the Perl documentation as
> >a comprehensive guide to PCRE:
>
> Unfortunately libpcre does not document the regular expression
> syntax it supports. Neither does the grep manual, for 'grep -P'. And
> as you've mentioned, the Perl manual isn't a reliable source for
> libpcre either. So users of 'grep -P' cannot rely on any
> documentation for behavior; it's an unwritten tradition instead.
[...]
You've missed "man pcrepattern". See also "man pcresyntax" for
the cheat sheet and "man pcre" for the index of all the PCRE man
pages.
If that's a consolation, I also had been using PCRE years before
I discovered that man page (which I find of very high quality
btw) few years ago.
--
Stephane
- bug#22655: grep -Pz '^' now fails!, (continued)
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/19
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/18
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/18
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/18
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/18
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/18
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/19
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/19
- bug#22655: grep -Pz '^' now fails!, Aaron Crane, 2016/11/19
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/19
- bug#22655: grep -Pz '^' now fails!,
Stephane Chazelas <=
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/20
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/19
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/19
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/19
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/20
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/20
- bug#22655: grep -Pz '^' now fails!, Stephane Chazelas, 2016/11/20
- bug#22655: grep -Pz '^' now fails!, Paul Eggert, 2016/11/19