Reggy is described as 'Small OS X cocoa/objective-c application to very quickly visualize what a given regular expression will match given a test string. It will also tell you if you have errors in your regular expression' and is an app. There are eight alternatives to Reggy for Web-based, Windows, Mac and Self-Hosted. The best Reggy alternative is Expresso, which is free. Other great apps like Reggy are Regulex, RegexPal, Debuggex and RegViz.
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 or web designer with an extensive knowledge of regular expressions.
An online JavaScript regular expression tester. Enter a regex expression and test data and determine if matches are made.
RegViz is a tool for debugging JavaScript regular expressions in a visual way. Advanced highlighting helps you to understand the structure and purpose of a regular expression and to detect bugs therein.
The Regex Coach is a graphical application for Windows which can be used to experiment with (Perl-compatible) regular expressions interactively. It has the following features:
Having trouble getting your regular expressions just right? Not sure what they match and what they leave out? Tired of having to write test programs every time? RegExhibit can help.
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