Apps with 'Regular Expression Editor' feature

Regex Forge is a regular expression editor for macOS with pattern visualization, syntax highlighting, live replace & preview and more.

RegExr.com is an online tool to learn, build, and test Regular Expressions. It was created by Grant Skinner and the nice people at gskinner.com.

Craft and test regex effortlessly on macOS and iOS with RegexMate. A minimalist UI, live preview, and a comprehensive reference guide enhance usability.

RegexBuddy is your perfect companion for working with regular expressions. Learning, creating, understanding, testing, using and saving regular expressions has never been easier.

The only one Regular Expression tester you need, that will help you to test your regular expressions in flavors:

Patterns is a simple yet powerful tool for working with regular expressions. Build great patterns quickly and effortlessly with syntax coloring and with matching and replacing occurring in real time.

Expressions is a minimal, distraction-free tool for experimenting with regular expressions.

Use RegexMagic to generate complete regular expressions to your specifications by using RegexMagics flexible patterns, instead of the cryptic regex syntax.

RegEx Lab allows you to test regular expressions. The app highlights and underlines text to show matches and capture groups. There's also a handy cheatsheet and a results list view. It has a replace feature too.