Regex Tester

Test and debug regular expressions in real-time

Regular Expression

/ /

Global (g)

Find all matches

Case Insensitive (i)

Ignore case

Multiline (m)

^ and $ match lines

Dot All (s)

. matches newline

Unicode (u)

Unicode support

Sticky (y)

Match from lastIndex

Test String

Highlighted Matches (0 matches)

Common Patterns

Quick Reference

Character Classes

\d - Digit (0-9)

\w - Word character

\s - Whitespace

. - Any character

Quantifiers

* - 0 or more

+ - 1 or more

? - 0 or 1

{n} - Exactly n

{n,m} - Between n and m

Anchors

^ - Start of string

$ - End of string

\b - Word boundary

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