Regex Roulette · #35 · 2026-05-09
Match strings with at least one uppercase, one lowercase, and one digit
Difficulty 3/3
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
- aB1 — not yet evaluated
- Hello1 — not yet evaluated
- passWord9 — not yet evaluated
- A1b — not yet evaluated
Must not match
- abc — not yet evaluated
- ABC — not yet evaluated
- 123 — not yet evaluated
- ABCabc — not yet evaluated
- abc123 — not yet evaluated
- ABC123 — not yet evaluated
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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