i recently had to use $'
, so reading perlvar
more carefully, i noticed it warns about using $'
The use of this variable anywhere in a program imposes a considerable performance penalty on all regular expression matches. See "BUGS".
...but in the BUGS
section it states that:
Due to an unfortunate accident of Perl's implementation, use English imposes a considerable performance penalty on all regular expression matches in a program,[...]
now i'm confused :) ... i don't understand wheter use English;
) reduces performance or
simply using $'
thank you for your time!
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