About this challenge
Email Validator is a easy regex coding challenge. It tests your command of regular expressions — pattern-matching that trips up even experienced developers. Write your solution in the editor above, run it against the test cases, and get instant feedback — free, in your browser, no sign-up.
Show a hint & approach (spoiler)
Hint: Try `/^[^\s@]+@[^\s@]+\.[A-Za-z]{2,}$/`.
Keep practicing
Browse all coding challenges, or build intuition for the underlying concepts with the algorithm visualizers and the developer cheatsheets.