Easily Use Regular Expressions in Your PowerShell Scripts

.NET’s Regex Support

PowerShell is Microsoft’s shell scripting language, based on the .NET. Microsoft’s .NET provides a solid implementation of regular expressions. The original .NET Framework, .NET Core, and .NET 5.0 all implement the same regex flavor. Thus all versions of PowerShell, including Windows PowerShell and the cross-platform PowerShell, all use the same regex flavor. 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.

RegexBuddy makes it very easy to use the power of regexes in your PowerShell scripts. Select “PowerShell operators” as your application in RegexBuddy if you like to use the operators. Select “PowerShell” as your application if you prefer to use the Regex class.

      
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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


“With RegexBuddy I have become a regular expression ninja—there is nothing I can’t parse. It has helped me to fall in love with the power of regular expressions and create new expressions in very little time. I have used the output in .NET, PowerShell, JavaScript, and more. This is an *essential* tool for any developer or systems administrator.”
— Colin Bowern
  15 December 2011, Canada