Regex Tester

Test and debug regular expressions with real-time matching

Pattern

Global (g) Case Insensitive (i) Multiline (m) Dot All (s) Unicode (u)

Test String

Matches

Found matches

Quick Reference

Character Classes

\d Any digit

\w Word character

\s Whitespace

. Any character

Anchors

^ Start of line

$ End of line

\b Word boundary

Quantifiers

* 0 or more

+ 1 or more

? 0 or 1

{n} Exactly n

Groups

() Capture group

(?:) Non-capturing

| Alternation