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Validating IP Addresses using Powershell

Joey D’Antoni needs a good IP address:

I had a client ask me to write a PowerShell script (for an Azure Automation runbook) to automate the creation of firewall rules for an Azure SQL Database. As part of this process, I was planning on having to validate the IP addresses (a valid IP address is of the format x.x.x.x where x is an integer between 0 and 255) by having to write some code to split the IP address string into individual octets and figuring out if each value was a valid number. However, in doing research (searching Stack Overflow), I discovered PowerShell has a built-in IP address data type, which made my life way easier.

Read on to see how you can use this to your advantage.

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