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RE: elisp, replace-regexp and re-search-forward
From: |
Bourgneuf Francois |
Subject: |
RE: elisp, replace-regexp and re-search-forward |
Date: |
Mon, 1 Oct 2007 11:08:56 +0200 |
You don't need to use a regexp.
(query-replace "\n" "\n\n") will do the job
Bour9
> -----Message d'origine-----
> De :
> help-gnu-emacs-bounces+francois.bourgneuf=groupe-mma.fr@gnu.or
> g
> [mailto:help-gnu-emacs-bounces+francois.bourgneuf=groupe-mma.f
> r@gnu.org] De la part de Seweryn Kokot
> Envoyé : lundi 1 octobre 2007 09:57
> À : help-gnu-emacs@gnu.org
> Objet : elisp, replace-regexp and re-search-forward
>
> Hello,
>
> I try to write a function that operate on a region and which
> inserts a newline
> between each line, for example.
> from:
> aaa
> bbb
> ccc
> to:
> aaa
>
> bbb
>
> ccc
> -------
>
> My first attempt is the following function which does the job
> (defun my-test (beg end)
> (interactive "r")
> (replace-regexp "\n" "\n\n" nil beg end))
>
> however in Emacs help for replace-regexp I see that it is not
> good to use
> replace-regexp function. Instead it is recommended to use
> re-search-forward and
> replace-match. So I try with such a function, but it does not work.
>
> (defun my-test-two (beg end)
> (interactive "r")
> (while (re-search-forward "\n" end t)
> (replace-match "\n\n" nil nil)))
>
> Any idea what is wrong?
>
>
>
>
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>