Every developer has been there: you need a regex for email validation, you open Google, fall into a StackOverflow rabbit hole, and 30 minutes later you're still not sure if the pattern is reliable. Regexlib solves this. It's a curated, searchable library of tested regex patterns for the most common developer needs: email, URL, phone, dates, passwords, IDs, and more. Built for developers who want to ship fast. No sign-up. No ads. Free forever.