From: Thierry Volpiatto <thierry.volpiatto@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Negate a regexp
Date: Mon, 19 Apr 2010 23:41:07 +0200 [thread overview]
Message-ID: <87bpdff7d8.fsf@tux.homenetwork> (raw)
In-Reply-To: xbaityr7z3w1.fsf@cam.ac.uk
Leo <sdl.web@gmail.com> writes:
> On 2010-04-19 18:54 +0100, Thierry Volpiatto wrote:
>> It will return \\coor because \ have to be escaped.
>>
>> (save-excursion (when (looking-back "^\\(\\\\[a-z]*\\)") (match-string 0)))
>>
>> It match on 1 also.
>
> This is a special case for the special example in my previous post.
>
> What about co\or ? It is still text contains word or symbol or \ (i.e.
> \sw \s_ or \s\).
Try to use the greedy arg:
try matching
\co\o_r-!-
(when (looking-back "\\([\\\\a-z_]*\\)" nil 'greedy)
(match-string-no-properties 0))
==>
"\\co\\o_r"
--
Thierry Volpiatto
Gpg key: http://pgp.mit.edu/
next prev parent reply other threads:[~2010-04-19 21:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-19 14:57 Negate a regexp Leo
2010-04-19 15:51 ` Drew Adams
2010-04-19 17:32 ` Leo
2010-04-19 17:54 ` Thierry Volpiatto
2010-04-19 18:35 ` Leo
2010-04-19 21:41 ` Thierry Volpiatto [this message]
2010-04-20 13:44 ` Leo
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