It should be a simple substitution: 
$a  = "this is a test";
%b = ( is => 'was' );
foreach my $key ( keys %b ) {
   $a =~ s/$key/$b{$key}/g;
}
print $a,"\n";
# output:      thwas was a test

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-----------------------------------------------------
Dr. Michael K. Neylon - mneylon-pm@masemware.com || "You've left the lens cap of your mind on again, Pinky" - The Brain

In reply to Re: substituting with hash data by Masem
in thread substituting with hash data by Anonymous Monk

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