
Description: RegexPal is a free regular expression tester and visualizer. It allows you to easily test regex patterns, analyze them and understand how they work. Useful for learning and debugging regular expressions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: jRegExAnalyser is a Java application for testing, analyzing and visualizing regular expressions. It allows you to enter sample text and regex patterns to understand how they match, highlight matched groups, analyze regex complexity, and generate railroad diagrams.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API