Reggy

Reggy is a small OS X cocoa/objective-c application to very quickly visualize what a given regular expression will match given a test string. It will also tell you if...

Free Open Source Mac OS X

PyRegex

PyRegex is an online Regular Expression tester for python dialect.

Free Open Source Web

Regularity

JavaScript regex tester for the macOS desktop.

Free Mac OS X

Expressions

Expressions is a minimal, distraction-free tool for experimenting with regular expressions. FEATURES - Minimalistic, non–distractive user interface. - Dark and...

Commercial

kiki

A free environment for regular expression testing (ferret). It allows you to write regexes and test them against a sample text, providing extensive output about the...

Free Open Source Linux

Oyster

Regular expressions are a powerful tool for developers, but they aren't the easiest things to build and debug. Oyster helps you interactively build and test them...

Commercial Mac OS X