![]() ![]() As a newbie you may find that other people’s examples do not make sense, furthermore you realize that if you experiment, then one wrong character and the command will not produce the desired results. The problem for beginners is that regex has a bewildering array of whacky syntactic symbols. It’s defining the subset that makes regex so potent, yet so difficult to control unless you are an expert in its logic and its syntax. What PowerShell’s regex does is refine ‘all’ so that you can filter a sub-set of data into the output. How we loved typing the wildcard * if we wanted to display all files. It all started back in the days when DOS was king. ![]() PowerShell Regular Expression Examples Using Regex.Topics for PowerShell Regex – Regular Expression Keep in mind that it’s rare that you would use regex in isolation therefore, my examples are designed to master this one technique so that you can incorporate pattern recognition in a bigger script. For example, telephone numbers or bank sort codes can be tricky to process because they contain dashes, or a specific grouping of numbers. ![]() It’s often when numbers mix with text that confusion occurs, and that’s when you need a PowerShell script to solve the problem. Typical jobs for Regex are to match patterns in text, and to replace individual characters or even whole words. ![]() Introduction to PowerShell Regex – Regular Expression ![]()
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