Re: (Perl) Regular Expressions - oposite match or get the non-matches of a substring

> Hi all, > > I consider myself quite good with Regular Expression, but i could never find > out how to match something like: > > "match this but not this and that" > > so i would like to match the first "match this" (or "another this") but not > "not this". > > Seems pretty straight forward but i haven't found a (good) solution yet. > Please no solutions with extra code, i know how to do that. I need a regular > expression that can do it, preferably Perl compatible. Surprisingly i > couldn't figure out how to say '/!(not) this/'. Seems like there must be a > simple way, but i can't seem to figure it out. > > Tried things like: '/[^n][^o][^t] this/', '/[^not]{3} this/' etc but all of > those don't work. Looked in various books and websites but didn't find what > i was looking for... > try this /match this but (?!not this and that)/ goodluck! Virgil http://www.jampmark.com