Hey, Scripting Guy! How Can I Use Windows PowerShell to Look for and Replace a Word in a Microsoft Word Document?

Hey, Scripting Guy! The week of April 17, 2009, you did a weeklong series of “Hey, Scripting Guy!” articles on regular expressions. I tried to change one of your scripts to open an office Word document that uses Windows PowerShell to look for a particular word. Guess what? It did not work. Instead, it filled my screen with gibberish, the speakers...