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Re: regex support
From: |
Daniel Wright |
Subject: |
Re: regex support |
Date: |
Fri, 29 Apr 2005 00:37:27 +0200 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
Ryan Bowman <ryanlbowman@yahoo.com> writes:
> Does emacs support the regex syntax {4} or any of it's
> variants? I'd like to match a date a la 2005-04-19,
> so I'm trying (for the year part) something like
> "[0-9]{4}", but unless I'm doing something wrong it
> doesn't seem to be working. Assuming it doesn't
> support that, is there a better way to match an string
> of digits of length 4 than "[0-9][0-9][0-9][0-9]"?
You need a couple of extra backslashes, try "[0-9]\{4\}".
There's a full description in the "regexps" node of the emacs info:
(info "(emacs)regexps");<--- hit C-x C-e here.
Greetings,
Daniel.