Nice Regular Expression Tool

While working on some ASP.NET form validation today, I came across a great regex tester / builder called Regex Hero.  The main feature is their .NET Regex Tester, a Silverlight app, and while it requires registration (Google, Yahoo, AOL, OpenID, etc.), this gives you the ability save your regular expressions to your personal library on the site.  You can also use the site’s public library, but contributions are a little anemic at this point.  The app has a few other nice features, including real-time expression matching, a built-in regular expression reference, .NET code generation, and performance benchmarking.

The app is free for basic use, but it will nag you every 5 minutes to buy the paid version.  The full version is $20 and comes with the nice addition of Intellisense-like code completion and a desktop version of the app.  Future upgrades are free for the full version.

Regex Hero

One Response to “Nice Regular Expression Tool”

  1. Thanks for the great review!

    I’m glad you found it useful. And you summed everything up very nicely.

    As for the library, I tried to jump start it with a few regular expressions of my own. But of course I’m hoping to encourage more people besides myself to contribute. So I want to make contributing to the public library more appealing and I have a few ideas on that front. A voting interface for the library will also soon be making its way into the tool.

    Thanks again,
    Steve Wortham

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