I, too, would suggest using grep, and reading the perlre and perlretut. I would also suggest that you make sure that your comparisons are case-insensitive, which can be done by adding the "i" flag to a regex or by using uc or lc on both sides of the string equality test, eq.
There is a number of alternatives to using an array, such as a dispatch tables, but I think they're overkill for this particular case.
emc
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