Scripting Blog [archived]

Formerly known as the "Hey, Scripting Guy!" blog

Regular Expressions - Scripting Blog [archived]

Automating Quser through PowerShell

August 27, 2019 Aug 27, 2019 08/27/19
Doctor Scripto
Summary: Using PowerShell to automate Quser to identify users to Logoff systems in Windows Hey Doctor Scripto! I need to log a user off every computer they’re logged into. The problem is, I don’t know which ones. How can I discover which computers they’re logged into and then log them off? That's a most excellent question!  I know...

PowerTip: Know the difference between the .split() method and ‘-split’

October 28, 2016 Oct 28, 2016 10/28/16
Doctor Scripto
Summary: Cloud and Datacenter Management MVP, Thomas Rayner, shows how to split a string by using a string instead of just a character. (image) I am trying to split the string “this is my amazing string” on the pattern “my” by using “this is my amazing string”.split(“my”) but it’s giving me a bunch of garbled stuff back. ...

PowerTip: How to use regular expressions to split a string without losing the character you split on

October 21, 2016 Oct 21, 2016 10/21/16
Doctor Scripto
Summary: Cloud and Datacenter Management MVP, Thomas Rayner, shows how to split a string without losing the character you split on. (image) I’m splitting this file name some file.txt into its name and extension by going “some file.txt” –split “.”. It’s giving me some file and txt, but I want to keep the dot and get .txt instead...

PowerTip: How to detect a valid Active Directory user name using regular expressions

October 14, 2016 Oct 14, 2016 10/14/16
Doctor Scripto
Summary: Cloud and Datacenter Management MVP, Thomas Rayner, shows how use regex to detect if a string is a valid Active Directory user name. (image) The invalid characters for an Active Directory user name are and . How do I tell if a string is a valid Active Directory user name?   (image) You can treat this array of characters as a...