>>>>> "Sean" == Sean M Burke <[EMAIL PROTECTED]> writes:
Sean> I was working on a CM-to-regexp translator, which I think I have
Sean> working right, by the way -- for XML content models, that is -- SGML
Sean> CMs permit the & operator, which has no straightforward equivalent in
Sean> rexexp. This was so HTML::AsSubs could do runtime checking of content
Sean> models. (A feature I've not yet gotten around to adding.)
I don't know what & does in an SGML CM, but if you need an "and"
in a regex, just use zero-width positive lookahead:
/ (?= .*? foo) (?= .*? bar) /x
True iff there is both a foo and a bar somewhere in the string.
--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
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