2013-09-26 17:14:40 +02:00

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The Perl 5 module Regexp::MatchContext provides replacements for
the regexp related variables $PREMATCH, $MATCH, and $POSTMATCH in
a way that only impacts the performance of matches that you specify.
These three variables are only set if the most recently matched
regex contained the special (non-standard) meta- flag: (?p).