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Easily Use Regular Expressions in Your PowerShell Scripts

The .NET Framework’s Regex Support

PowerShell is Microsoft's shell scripting language, based on the .NET framework. The .NET framework provides a solid implementation of regular expressions. You can use it directly in your PowerShell scripts with the -match and -replace operators. Or, you can instantiate System.Text.RegularExpressions.Regex class to use all of .NET's regex features.

While .NET's regex support is solid, Microsoft's regex documentation is very poor. Fortunately, RegexBuddy makes it very easy to use the power of regexes in your PowerShell scripts.

      
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See How Easy Shell Scripting with Regexes Can Be

First, use RegexBuddy to define a regex or retrieve a regexp saved in a RegexBuddy library. Rely on RegexBuddy's clear regex analysis, which is constantly updated as you build the pattern, rather than dealing with the cryptic regex syntax on your own. Detailed help on that syntax is always only a click away.

If you copied a regex written for another programming language, simply paste it into RegexBuddy, select the original language, and then convert the regex to Powershell.

If you created a new regular expression, test and debug it in RegexBuddy before using it in your PowerShell scripts. Test each regex in RegexBuddy's safe sandbox without risking precious data. Quickly apply the regex to a wide variety of input and sample data, without having to produce that input through your application.

Finally, let RegexBuddy generate a source code snippet that you can copy and paste directly into the PowerShell command line, or your favorite PowerShell editor. Just choose what you want to use the regex for, and a fully functional code snippet is ready. You can change the names of variables and parameters to suit your naming style or the current situation, which RegexBuddy automatically remembers.

Don't bother trying to remember which operators and parameters to use, or how to instantiate .NET classes in PowerShell. And don't worry about properly escaping quotes and backticks. Just tell RegexBuddy what you want to do, and you will get the proper PowerShell code straight away. Anything can be done: testing a string for a match, extracting search matches, validating input, search-and-replace, splitting a string, etc.

Let RegexBuddy Make Regex Easy for You

Using regular expressions with PowerShell
Using regular expressions with PowerShell

"I am a .Net developer with a decent working knowledge of regular expressions. I have found RegexBuddy to be an incredible tool because its debugging features allow me to tinker with a pattern until it works correctly with my actual data. Its graphical nature allows me to build a pattern a piece at a time and see what is working and not working. This empowers me to use regular expression methods such as Split or Replace to greatly simplify my code in places where I would otherwise need to do extensive byte by byte loops. Besides being an outstanding value for the money, email tech support is outstanding! Additionally, the tutorial itself is worth the price of the product. If you only use regular expressions once in 5 years this product would still be an outstanding value for your money!"

— Gary Winey
  23 February 2006, Indiana, USA