Re: quick regex

["Casey Boone" <ophidian_snake@hotmail.com>]

oh lovely

i wonder why they didnt use someone elses regex then :\




> On Friday 09 August 2002 05:13 pm, you wrote:
> > time to learn regex me thinks
>
> Be aware that what Apache calls "regexes" is NOT the same as "Perl
regexes" or
> "egrep regexes", or "fileglobbing regexes", or "sed/ex" regexes.
>
> Apache uses a home rolled regex parser/engine.
>
> I know this because I could not find a single piece of documentation on
> *exactly* what the regex syntax was. I found lots of references to things
> like "similar to regular expressions defined elsewhere", without really
> spelling out where, exactly "elsewhere" was, nor where the boundary
between
> "similar" and "different" was.
>
> So, I went and hunted down the source. And found out it's a hand-job of a
> regex. It appears to be written such that it passes a bunch of regex
tests.
> So, if your regex doesn't look like the tests do, you are SOL.
> BTW, there are odd limits like only 9 subexpressions.
>
> I am hopeful that this sorely lacking documentation oversight has been
> addressed in 2.0.
>
> It's a real PITA when documentation does a bunch of hand-waving and
referring
> to events offstage, like that clears things up.
>
> Mike808/
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