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Answer: What can regular expressions NOT do?

by turnstep (Parson)
on Apr 25, 2000 at 23:35 UTC ( #9094=categorized answer: print w/replies, xml ) Need Help??

Q&A > regular expressions > What can regular expressions NOT do? - Answer contributed by turnstep

Regexps are bad at very complicated cases, especially when things are nested. The typical example is HTML: it's easy enough to make a simple regexp to grab tags, but to get it really right and account for all cases (comments, greater than signs within quotes within HTML tags, multiline tags, etc.) you outgrow the usefullness of a regular expression and really need something that will actually parse the string (or file, whatever) that contains the HTML. Luckily, there are modules that will do just that for you.

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Re: Answer: What can regular expressions NOT do?
by Anonymous Monk on Jun 29, 2001 at 13:33 UTC
    Wipe your ass**** after you're done shxxing
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