From: Vinicius Jose Latorre <viniciusjl@ig.com.br>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: GNU Emacs <emacs-devel@gnu.org>
Subject: Re: Possible problem with looking-back function
Date: Fri, 20 Aug 2010 21:08:34 -0300 [thread overview]
Message-ID: <4C6F1902.70701@ig.com.br> (raw)
In-Reply-To: <jwvoccxv3kj.fsf-monnier+emacs@gnu.org>
> Or you can still use a regexp, with something like
>
> (defun other-looking-back (re limit)
> (save-restriction
> (narrow-to-region (point-min) (point))
> (goto-char limit)
> (re-search-forward (concat "\\(?:" re "\\)\\'") nil t)))
>
> Note that it imposes a few different constraints on the regexp, mostly
> it can't use things like \> or \< or \b at the end because
> narrow-to-region will prevent it from peeking at the next char.
>
Ok, thanks all for helping.
prev parent reply other threads:[~2010-08-21 0:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-19 1:15 Possible problem with looking-back function Vinicius Jose Latorre
2010-08-19 2:43 ` Davis Herring
2010-08-19 6:09 ` Andreas Röhler
2010-08-19 8:01 ` Stefan Monnier
2010-08-19 9:02 ` Stephen J. Turnbull
2010-08-19 9:32 ` Andreas Röhler
2010-08-20 2:11 ` Vinicius Jose Latorre
2010-08-20 13:07 ` Stefan Monnier
2010-08-21 0:08 ` Vinicius Jose Latorre [this message]
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