[PATCH] Add PCRE support

[Tollef Fog Heen]

]] Adrian Otto 

| I suggest making it an optional ./configure option. That way you could
| still build it the old way if you wanted.

No, having to support two different styles of regular expression is
going to be a problem documentation- and support-wise.  I'm strongly
against that and would rather just stick with POSIX than to have both.

-- 
Tollef Fog Heen 
Redpill Linpro -- Changing the game!
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