http://www.perlmonks.org?node_id=588481


in reply to Re^2: Negating Regexes: Tips, Tools, And Tricks Of The Trade
in thread Negating Regexes: Tips, Tools, And Tricks Of The Trade

Thanks. I have a limited CS background (some register machines, recursive and primitive recursive functions) and this gives me quite a few pointers to picking up some more.