From: Jim Ottaway <j.ottaway@lse.ac.uk>
Subject: Re: Help with query-replace-regular expression
Date: Mon, 11 Sep 2006 16:57:01 +0100 [thread overview]
Message-ID: <87zmd6gzw2.fsf@lse.ac.uk> (raw)
In-Reply-To: 87wt8a4do4.fsf@offby1.atm01.sea.blarg.net
Eric Hanchrow <offby1@blarg.net> writes:
> Or escape "escape hell" and let "rx" write the regexp for you:
>
> (rx "/*#" (group (or (any alpha) "_")
> (or (any alnum) "_")) "#*/")
> That evaluates to
>
> "\\(?:/\\*#\\(\\(?:\\(?:[[:alpha:]]\\)\\|_\\)\\(?:\\(?:[[:alnum:]]\\)\\|_\\)\\)#\\*/\\)"
I don’t think you need both alpha and alnum, do you?. Anyhow, nice
though rx is, you don’t get something that can be used for interactive
use of query-replace-regexp, since the escaping is for a string, rather
than for text entered in the minibuffer, where you don’t have to
double-escape the backslashes.
Regards,
--
Jim Ottaway
prev parent reply other threads:[~2006-09-11 15:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-11 13:22 Help with query-replace-regular expression jade_lindquist
2006-09-11 13:45 ` David Kastrup
2006-09-11 14:01 ` Jim Ottaway
2006-09-11 15:37 ` Eric Hanchrow
2006-09-11 15:57 ` Jim Ottaway [this message]
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