You can certainly do it with regex, given a certainly non-regular regex implementation and a probably unbounded computational space. But you shouldn’t. Ref: I

You can certainly do it with regex, given a certainly non-regular regex implementation and a probably unbounded computational space. But you shouldn’t. Ref: I (regrettably) have one of the top SO answers for matching URLs. It’s wrong in a few different ways and I’ve stopped fielding edits/comments for the last few years.