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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: regexp question: match anything but not a group?
Date: Thu, 03 Apr 2014 10:37:50 -0400	[thread overview]
Message-ID: <jwv8urmv5yb.fsf-monnier+gmane.emacs.help@gnu.org> (raw)
In-Reply-To: 533BC538.7010906@easy-emacs.de

> You need look-ahead-assertions, which aren't implemented in Emacs AFAIK.

Actually, what he needs is negation.  In Perl regexp, negation is
provided via look-ahead assertions, but in lex.el, they're provided as the
"normal negation operator".  I.e. in lex.el (negate RE) is a regular
expression which matches any string not matched by RE.


        Stefan




  parent reply	other threads:[~2014-04-03 14:37 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-01 21:30 regexp question: match anything but not a group? Thorsten Jolitz
2014-04-01 23:24 ` Pascal J. Bourguignon
2014-04-03 19:48   ` Thorsten Jolitz
     [not found]   ` <mailman.18864.1396554426.10748.help-gnu-emacs@gnu.org>
2014-04-03 20:24     ` Pascal J. Bourguignon
2014-04-03 21:36       ` Thorsten Jolitz
2014-04-02  5:55 ` Andreas Röhler
2014-04-03 19:36   ` Thorsten Jolitz
2014-04-03 22:19     ` Stefan Monnier
2014-04-04  8:39       ` Thorsten Jolitz
     [not found]       ` <mailman.18896.1396600696.10748.help-gnu-emacs@gnu.org>
2014-04-04  9:04         ` Loris Bennett
2014-04-04  9:37           ` Andreas Röhler
2014-04-04 10:40           ` Thorsten Jolitz
2014-04-04 14:11             ` Andreas Röhler
2014-04-04  6:37     ` Andreas Röhler
2014-04-04  8:53       ` Thorsten Jolitz
2014-04-02  7:21 ` Thorsten Jolitz
2014-04-02  8:07 ` Andreas Röhler
2014-04-03 10:50   ` Thorsten Jolitz
2014-04-03 23:46     ` Bob Proulx
2014-04-04  8:43       ` Thorsten Jolitz
2014-04-03 14:37   ` Stefan Monnier [this message]
2014-04-03 19:32     ` Thorsten Jolitz

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