FreeFormatter Regex Tester
rubular
RegExr
RegexPlanet Ruby
RegEx Generator
Expresso
Reggy
The Regex Coach
PHPLiveRegEx
rubular
RegExr
RegexPlanet Ruby
RegEx Generator
Expresso
Reggy
Regex Widget
rubular - A ruby based regular expression editor
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
RegexPlanet Ruby - RegexPlanet offers a free-to-use Regular Expression Test Page to help you check RegEx in Ruby free-of-cost.
RegEx Generator - RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.
Expresso - The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.
Reggy - Signup forms filled automatically with random identities