
Description: RegExr is a tool for creating, testing and debugging regular expressions. It allows you to easily test regex patterns against text inputs in a visual interface, and offers features like syntax highlighting, explanations, cheat sheets and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: RegExhibit is a regular expression visualizer that helps you learn, build, and test regex. It provides a graphical interface for constructing patterns and visualizing how they match against text.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API