Checking if regex matches from XS

I've read the Jenness/Cozens book and the various perldocs on XS, but I
can find no hint of how to use the regex engine from XS.

What I want to do is accept an SV containing either qr/.../ or regular
string, and then check whether the specified regex matches the contents of
another SV.

If someone knows of a module that does this in XS, I'd be happy to be
pointed at it.  Otherwise more explicit hints are welcome ;)

Poking through the internals, I see the Perl_pregexec function in
regexec.c, which seems like a likely start, but what the heck are the
arguments?  What's screamer?  And how do I turn an SV into a regexp
struct?

Help!


-dave

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• Checking if regex matches from XS by Dave Rolsky
• Re: Checking if regex matches from XS by Nick Ing-Simmons
• Re: Checking if regex matches from XS by hv
• Re: Checking if regex matches from XS by Dave Rolsky
• Re: Checking if regex matches from XS by Nick Ing-Simmons