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Newsgroups: gnu.emacs.help
From: Kevin Rodgers <kevin.d.rodg...@gmail.com>
Date: Thu, 02 Feb 2012 17:37:57 -0700
Local: Thurs, Feb 2 2012 7:37 pm
Subject: Re: does emacs regular expression support (?!expression)
On 2/2/12 2:45 PM, Tassilo Horn wrote:
> Tim Landscheidt<t...@tim-landscheidt.de> writes:
IIUC, the Perl regex would successfully match "foo" if it were followed by
>> In Perl, "(?!pattern)" is a zero-width negative look-ahead >> assertion. Emacs does not support these AFAIK. > I see. So when you do /foo(?!bar)/ in Perl, you'd need to do
"far", but the Emacs regexp would not. Maybe \(?:[^b][^a][^r]\) should be \(?:[^b]\|b[^a]\|ba[^r]\)
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