Regular expression generator/reducer?

Question

I was posed an interesting question from a colleague for an operational pain point we currently have, and am curious if there\'s anything out there (utility/library/algorith

Answer 1

If you want to compare against all the strings in a set and only against those, use a trie, or compressed trie, or even better a directed acyclic word graph. The latter should be particularly efficient for URLs IMO.

You would have to abandon regexps though.