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Re: Patch for lookaround assertion in regexp
From: |
Tom |
Subject: |
Re: Patch for lookaround assertion in regexp |
Date: |
Mon, 23 Jan 2012 15:19:58 +0000 (UTC) |
User-agent: |
Loom/3.14 (http://gmane.org/) |
Andreas Schwab <schwab <at> linux-m68k.org> writes:
>
> Tom <adatgyujto <at> gmail.com> writes:
>
> > Why not use simply PCRE with a bridge layer which translates from emacs
> > regexp format to PCRE? AFAIK the emacs regexes are more or less a subset
> > of PCRE, so the translation shouldn't be very difficult.
>
> Does PCRE implement \c and \s?
If it doesn't then it's a job for the translation layer. Char syntaxes
and categories could be converted into the standard [...] format.
I don't know how efficient it would be, it should be tested, but
pcre can compile regexps too. I don't know if emacs uses some precompiled
format internally if the same regexp is used again and again.
> Does PCRE provide an interface for searching a memory region with a gap?
>
I don't know it should be checked, but other editors use PCRE as their
regex search engine, so there may be some support for that.
- Patch for lookaround assertion in regexp, Colin Fraizer, 2012/01/23
- Re: Patch for lookaround assertion in regexp, Stefan Monnier, 2012/01/23
- Re: Patch for lookaround assertion in regexp, Tom, 2012/01/23
- Re: Patch for lookaround assertion in regexp, Andreas Schwab, 2012/01/23
- Re: Patch for lookaround assertion in regexp,
Tom <=
- Re: Patch for lookaround assertion in regexp, Andreas Schwab, 2012/01/23
- Re: Patch for lookaround assertion in regexp, Stefan Monnier, 2012/01/23
- Re: Patch for lookaround assertion in regexp, Štěpán Němec, 2012/01/23
- Re: Patch for lookaround assertion in regexp, Juri Linkov, 2012/01/29
- Re: Patch for lookaround assertion in regexp, Stefan Monnier, 2012/01/23
Re: Patch for lookaround assertion in regexp, Nikolai Weibull, 2012/01/24
Re: Patch for lookaround assertion in regexp, David De La Harpe Golden, 2012/01/24