Regex Tester
Test regular expressions in real time with highlighted matches, capture groups and a handy quick-reference panel.
//g
Real-time matching
Matches update as you type. Every match is highlighted in the test string and listed with its index position and captured groups.
Privacy first
All processing runs entirely in your browser. Your patterns and test strings never leave your device and nothing is stored on any server.
Quick reference
Click any common pattern to load it instantly. Covers emails, URLs, phone numbers, IP addresses, dates and more.