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From my simple mind to… mine…

The Regulator

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I had the recent pleasure of working with The Regulator, a regular expression tool for building and testing your regular expressions against various text inputs (thanks, Jason, for the intro). It’s a great tool and helps to speed up the development of your regular expressions.

In the default view, you enter your regular expression in the upper portion of The Regulator:


In this case, the regular expression can be used for finding the password entry in a connection string. 

In the lower portion, you can enter text examples:


And from here, you can click on the “Match” button, where you will see how the text input matches to the regular expression. Certain text inputs may not match – which may or may not be a good thing depending on what you expect. 🙂


Of course, all the samples that you have entered make for great unit tests, since you know how they will match, based on The Regulator results.

If something changes, the tests will break:



Written by Nelson

September 4, 2007 at 5:43 pm

Posted in .NET, RegEx

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