
Description: Online String Swap is a free online tool that allows you to quickly replace or swap all occurrences of one string with another within a given text. It is easy to use with a simple interface where you enter the text, the string to find, and the replacement string.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Regexxer is a powerful regular expression editor and tester for creating, testing and debugging regular expressions. It has an intuitive interface with features like syntax highlighting, explanation of regex components, and testing against sample inputs.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API