You probably want something more like this: 

open my $FILE , "<", "db.txt" or print "Unable to open 'db.txt' $!";

while ( my $string = <$FILE> ) {
    if ( $msg =~ /$string/i ) {
        print "$string found\n";
        }
    }
close $FILE;

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In reply to Re: Matching a scalar variable by jwkrahn
in thread Matching a scalar variable by adneto

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