Just wanted to point out that if the file you're searching has a lot of lines, you can gain some speed by adding the "o" option to the regex; i.e.: 
    print $1 if /$regex/o;

[download]
This way, the regular expression only has to be compiled once.

- Zoogie

In reply to RE: Re: matching an array of alternates by Zoogie
in thread matching an array of alternates by Anonymous Monk

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