>_ Regex Tester

Test regular expressions with real-time matching and highlighting. View match groups, indices, and captured text.

> Regular Expression:

/ /

> Test String: > Highlighted Matches:

> Match Details:

Common Patterns

Email:    [a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}
URL:      https?://[^\s]+
IPv4:     \b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\b
Phone:    \+?\d{1,3}[-.\s]?\(?\d{1,4}\)?[-.\s]?\d{3,4}[-.\s]?\d{4}
Date:     \d{4}-\d{2}-\d{2}
Hex Color: #([0-9a-fA-F]{3}|[0-9a-fA-F]{6})\b

FAQ

What flags are supported?>

g (global), i (case-insensitive), m (multiline), s (dotAll), u (unicode), y (sticky). Combine multiple flags like "gmi".