[EMAIL PROTECTED] 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 - [EMAIL PROTECTED] - http://home.online.no/~pjacklam
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