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RE: Re: matching an array of alternates

by Zoogie (Curate)
on Jun 23, 2000 at 23:54 UTC ( #19652=note: print w/ replies, xml ) Need Help??


in reply to Re: matching an array of alternates
in thread matching an array of alternates

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;
This way, the regular expression only has to be compiled once.

- Zoogie


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