Precompile your patters. Example:
my $re = qr/this RegEx will be used 10,000 times/;
open FH, "<file.dat" or die "Error : $!\n";
while (<FH>){
   process() if /$re/;
}
close FH;

[download]
You can refer to perldoc perlretut for additional information.

--perlplexer

In reply to Re: Optimizing Perl? by perlplexer
in thread Optimizing Perl? by dargosch

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