Regular Expressions Testing Tool

For macOS

Testimonials

Fast, simple and to the point
★★★★★

This app is awesome and easy to use. It not only does its job well, but helps me learn about regular expressions.

Like the new, clean look of the app
★★★★★

I like the new, clean look of the app. It’s a vast improvement over the previous UI. Also fixes many of the issues I had with it.

Generate a regex quickly
★★★★

The app works fine and I can generate a regex quickly.

Features

  • Automatic generation of regular expression from sample data
  • Immediate feedback. Dynamic highlighting of matches as you modify the regular expression or sample text
  • Automatic escaping of special characters when copying a regular expression

  • Automatic unescaping of special characters when pasting a regular expression

  • Supports capture groups
  • Supports matching options such as case-insensitive matches
  • Supports positive lookahead, negative lookahead
  • Supports positive lookbehind, negative lookbehind
  • Supports backreferences
  • Fast and Dead-simple to use