Whether the string you're looking for inside a text file is a single word or a complicated pattern, PowerShell has the ability to find and replace just about anything.

You can use PowerShell to automate almost anything, like batch renaming files for consistency or automating app launches. Let's write a few simple Windows PowerShell scripts to see it in action.

We show you how to create and run PowerShell script file in Windows. You can create it using virtually any text editor or the ISE console.

The process is similar to creating any plain text file in PowerShell -- but with a few twists.