Visualize a regular expression as a diagram with a plain-English breakdown and a live match tester.
/
/
STRUCTURE
capture
capture
capture
EXPLANATION
• Capturing group: • a digit (0–9) — repeated exactly 4 • The literal "-" • Capturing group: • a digit (0–9) — repeated exactly 2 • The literal "-" • Capturing group: • a digit (0–9) — repeated exactly 2
LIVE MATCH TESTER
2 matches
@12
@24
