Everytime you use grep, you are iterating through the list. Since you do that inside of loop, your algorithm is O(N*M). In contrast, JediWizard iterates once through a loop so his algorithm is linear. His approach is also conceptually simpler which results in cleaner code.

-sauoq
"My two cents aren't worth a dime.";

In reply to Re^2: Match string in array by sauoq
in thread Match string in array by nimdokk

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