From: Bruno Barbier <bruno.barbier.cs@begin_dom.orange.fr.end_dom>
To: help-gnu-emacs@gnu.org
Subject: Re: a question about regular expression
Date: 28 Sep 2009 09:54:29 GMT [thread overview]
Message-ID: <4ac087d5$0$12628$ba4acef3@news.orange.fr> (raw)
In-Reply-To: 83ske8zwkz.fsf@ymail.invalid
On 2009-09-27, Water Lin <WaterLin@ymail.invalid> wrote:
>
> Here is my code:
> ---------------
> (defun copy-word (&optional arg)
> "Copy words at point"
> (interactive "P")
> (let ((beg (progn (if (looking-back "[_a-zA-Z0-9]" 1)
> (backward-word 1)) (point)))
> (end (progn (forward-word arg) (point))))
> (copy-region-as-kill beg end))
> )
> ---------------
>
> I want use M-x copy-word to copy a word even the word is combined by _
> . But I don't know why my regular expression doesn't work.
>
> Not every familiar with elisp, sorry for this stupid question.
>
I use:
M-x re-builder
to build interactively my regular expressions and see what they match.
next parent reply other threads:[~2009-09-28 9:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <83ske8zwkz.fsf@ymail.invalid>
2009-09-28 9:54 ` Bruno Barbier [this message]
2009-09-30 12:43 ` a question about regular expression tomas
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