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Re: multiple alternatives regexp question
From: |
Jesper Harder |
Subject: |
Re: multiple alternatives regexp question |
Date: |
Wed, 07 Jan 2004 03:14:51 +0100 |
User-agent: |
Gnus/5.110002 (No Gnus v0.2) Emacs/21.3.50 (gnu/linux) |
Joe Corneli <jcorneli@math.utexas.edu> writes:
> Unfortunately, when I search and replace like so:
>
> (let ((case-fold-search nil))
> (while (re-search-forward "\\([[:lower:]]\\|[[:digit:]]\\|A\\)\\([A-Z]\\)"
> nil t)
> (replace-match (concat (match-string 1) " " (match-string 2)))))
>
> on something like
>
> ProofOfPropertiesOfTraceOfAMatrix
>
> I get back
>
> Proof Of Properties Of Trace Of AMatrix
> ^
> Why is the `A' not being treated the way I want the first time
> around?
It doesn't work because `replace-match' leaves point after the
replacement text. You could use something like this instead:
(replace-match "\\1 " t nil nil 1)