The 0.3.1 version of RegExr is provided as a free download on our website. The most popular versions among RegExr users are 0.3 and 0.2. This free program is a product of gskinner, inc. Our built-in antivirus scanned this download and rated it as virus free. RegExr belongs to Office Tools. This PC program works fine with 32-bit versions of Windows XP/7/8. RegExr.exe is the common file name to indicate the RegExr installer.
From the developer:
RegExr Desktop is a tool for learning, editing, and testing regular expressions (RegEx or RegExp for short) on Mac OSX, Windows, and Linux.
You may want to check out more software, such as AceText, 3D Clipboard or Multi Clipboard, which might be similar to RegExr.