Skip to main content
{} stackoverfun

Regex Roulette · #22 · 2026-04-26

Match simple HTML opening tags

Difficulty 2/3

How to play

Write a regex that matches all green strings and rejects all red strings. Live feedback shows which strings pass. Shorter patterns score better.

Must match

  • <div> — not yet evaluated
  • <span> — not yet evaluated
  • <p> — not yet evaluated
  • <h1> — not yet evaluated

Must not match

  • </div> — not yet evaluated
  • <div — not yet evaluated
  • div> — not yet evaluated
  • <div /> — not yet evaluated

Loading your progress...

Pattern body only — slashes and flags (e.g. /g, /i) aren't part of the input.

0/200 chars

Type a regex that matches all green strings and rejects all red strings · Back to hub