Developer / Offline utility

Regular Expression Tester

List every JavaScript regular-expression match. Work entirely in this browser tab, then copy or download the result.

Runs entirely on your deviceNo uploads, accounts, or tracking.

Input and result

List every JavaScript regular-expression match.

0 lines

Pattern (Unicode and global flags are added)

Set this option before running the tool.

Enter a value to begin.

INPUT0 characters

Run with Ctrl/⌘ + Enter

RESULTGenerated locally

1. Add your data

Paste text, type a value, or open a small local file.

2. Choose the result

Run the focused conversion or analysis.

3. Save it locally

Copy the result or download it as a local text file.