You could get out of the "foreach" loop as soon as a match occurs, either using last or return: 
sub check_bypass {
    my $line = shift;
    foreach (@_) {
        if ($line =~ /$_/i) {return 0}
    }
    return 1;
}

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In reply to Re: Fast/efficient way of check if a string in an strArr is contained in a line by toolic
in thread Fast/efficient way of check if a string in an strArr is contained in a line by cpomp

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