If @reqs contains simple string to match the complete line rather than regexes or partial matches, the you could create a hash and do a fast lookup. 

%reqs; @reqs{ @reqs } = ();

for( @lines ) {
    if( /^\*R/ && $_ !~ /BADSTRING/ && exists $reqs{ $_ } ) {
        # do something
    }
}

[download]

Lots of ifs, but much quicker when they are true.

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong." -Richard Buckminster Fuller

In reply to Re: pattern matching an array by BrowserUk
in thread pattern matching an array by nkpgmartin

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