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Re: Searching for a string in a string


From: Pascal J. Bourguignon
Subject: Re: Searching for a string in a string
Date: Mon, 28 Sep 2009 15:08:51 +0200
User-agent: Gnus/5.101 (Gnus v5.10.10) Emacs/22.2 (gnu/linux)

Joost Kremers <joostkremers@yahoo.com> writes:

> Nordlöw wrote:
>> Is there a variant of string-match() that searches for a string (sub-
>> string) instead of a regexp?
>
> a string is just a special case of a regexp, so why wouldn't you use
> string-match?

A primitive literal-string-match could be more efficient than a
generic regular expression matching algorithm.  That said, if the
regexp machinery is well optimized, we only lose regexp compilation
time, which in the case of a fully escaped regular expression may be
very fast.

-- 
__Pascal Bourguignon__


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