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Re: Re: Regexp generating strings?

by bsb (Priest)
on Aug 20, 2003 at 00:53 UTC ( #285081=note: print w/ replies, xml ) Need Help??


in reply to Re: Regexp generating strings?
in thread Regexp generating strings?

For Perl regexes, its seems rosy until you reach look-aheads. /^(?=$rx1)$rx2/ needs to find the intersection between the two languages defined but $rx1 and $rx2, if it exists. Without the ^ anchor $rx1 is floating in $rx2, it becomes substring instead of intersection.

It may be solvable, but not by me.


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