All tools/Data Inspector

Regex Tester

Runs locally

Test regular expressions securely against strings using native browser APIs. Data never leaves your device.

Regular Expression

Flags

Global

Don't return after first match

Case Insensitive

Case insensitive match

Multiline

^ and $ match start/end of line

Dot All

Dot matches newline

Test String

Match Results

5 matches

Match 1

Index: 0

Full Match

Hello

Capture Groups

Match 2

Index: 6

Full Match

World

Capture Groups

Match 3

Index: 13

Full Match

This

Capture Groups

Match 4

Index: 23

Full Match

Regex

Capture Groups

Match 5

Index: 29

Full Match

Tester

Capture Groups