> 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)/



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