Live Pattern Matching
The sharpest
Regex Lab
on the web
Write your pattern, paste your text — watch matches light up instantly. Flags, groups, audio feedback included. Zero tracking.
📐 Capture Groups
Quick Reference — click to use
🔢
\d+
One or more digits
🔤
\w+
Word characters (a-z, 0-9, _)
📧
Email address
Match valid email formats
🌐
URL (http/https)
Match web addresses
📅
Date YYYY-MM-DD
ISO 8601 date format
🎨
Hex color #rrggbb
Match CSS color codes
📞
Phone number
International phone formats

Blank/empty lines
Find whitespace-only lines