
Description: .NET Regular Expression Designer is a free open source tool by Microsoft that allows developers to visually create, test, and debug .NET regular expressions. It has features like syntax highlighting, testing against sample text, and explanation of regex components.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Regulex is a JavaScript regular expression visualizer. It allows you to visualize regular expressions to better understand how they work and test them against input strings. Useful for learning and debugging regex.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API