Dev Utility

Regex Tester

Test JavaScript regular expressions live against any text with highlighted matches and a match counter.

Tool

LIVE

Pattern

Flags

Test text

Matches: 0

DEMO

Pattern: \b\w+\b
Flags:   g
Matches: 9 (The, quick, brown, fox, ...)

Highlighted matches show up live as you type.

Enter or paste your input in the box on the left.
The result appears instantly on the right - click the button if there is one, otherwise it updates automatically as you type.
Copy the result or keep editing. Everything runs locally in your browser - nothing is uploaded.

Test JavaScript regular expressions live against any text with highlighted matches and a match counter.