help-gnu-emacs
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: efficient regular expression that never matches


From: Stefan Monnier
Subject: Re: efficient regular expression that never matches
Date: Fri, 20 Nov 2015 10:13:11 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

> I'm thinking of "$a", but it should scan all the string until end
> of the string, so it may not be efficient.

IIRC I used something like "\\`\\'a".


        Stefan




reply via email to

[Prev in Thread] Current Thread [Next in Thread]