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From Thomas Eibner <>
Subject Re: Regular Expressions
Date Thu, 23 Aug 2001 03:01:39 GMT
On Wed, Aug 22, 2001 at 10:59:27PM -0400, Rich Bowen wrote:
> On Wed, 22 Aug 2001, Rich Bowen wrote:
> > Is there any treatment, anywhere in the Apache documentation, of what
> > flavor of regular expressions are supported by Apache directives? I
> > can't find it, but perhaps I'm just overlooking it, and will find it
> > as soon as I send this.
> OK, so immediately after I sent this, I found the following in
> mod_include.html:
> Regular expressions have the same syntax as those found in the Unix
> egrep command.
> This is, as far as I can find so far, the only specific explanation of
> what regex syntax Apache supports.
> FAQ-B states that "We implement a simple subset of Perl's regex
> support" which is pretty darned vague.
> man egrep has a really good regex explanation. The only question I'm
> left with is how to get it to do case-insensitive pattern matching,
> since egrep does this with a command line switch (-i) rather than in
> the regex itself.

I take it /i doesn't work, right? (Which of course is what you'd use in

  Thomas Eibner <> DnsZone <>
  mod_pointer <> 

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