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Date: Tue, 20 Jan 2004 10:17:06 +0100
From: "Peter J. Acklam" <pjacklam AT online DOT no>
To: cygwin <cygwin AT cygwin DOT com>, sds AT gnu DOT org
X-EXP32-SerialNo: 50000140
Subject: RE: cygwin/regex is non-POSIX
Message-ID: <400DDBC3@epostleser.online.no>
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sds AT gnu DOT org wrote.
>
> Finally, a common extension appears to be the use or "?" after
> a repetition specification to mean non-greedy matching, e.g.
> "a+?" will match only the first "a" in "aaaa".

Just a small historical note:  This extension first appeared in
Perl some 10+ years ago.  It is used after the quantifiers ?, *,
+, and {m,n} to get "non-greedy" or "minimal" matching.  The
extension became popular and now implemented in several regex
engines.

Peter

-- 
Peter J. Acklam - pjacklam AT online DOT no - http://home.online.no/~pjacklam


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