If you are building PowerShell longer than a few lines, it is good practice to break up your code into reusable snippets. This way you can only call the code snippet over and over instead of ...

As Brien demonstrates, string validation is not the only type of input validation that PowerShell can perform.

Posey's Tips & Tricks How To Validate Input in PowerShell Functions, Part 1 If your automated script takes action based on a value, it's critical to make sure the value is correct. Good thing ...