O monks: I have a regular expression conundrum that seems to be platform related. The company that I am working for has some scripts that process documents, and in order to ship them for windows, we compile a perl (5.005.03) so that we can qa with a known version. I am noticing that a regular expression which runs very quickly on linux takes considerably longer running on Win 2k. The part of the regular expression which I am looking at changing is this:
(?:\w[\.\w\-\'\!\(\)\/\]|[ ])+

[download]

I tried removing the alteration, thusly:
(?:\w[\.\w\-\'\!\(\)\/]+[ ]?)+

[download]

but got about the same speed.
However, removing the clustering:
(\w[\.\w\-\'\!\(\)\/ ])+

[download]

speeded this up considerably on Win32 and screams on linux. (This is a partial section of a long regex, but this is the section that was changeable).

My question, then, is: Do any monks have experience with speed differences of regular expressions under Windows, or compilation suggestions that would improve things. Thanks in advance, Blkstrat

In reply to Speed of regex on compiled perl under windows by blkstrat

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