Every now and again, I need to store IP address values in T-SQL and I want to check if the string that I'm passed is a valid IP address. So, in our free SDU Tools for developers and DBAs, we added a simple tool that works that out. It's called IsIPv4Address.
You can tell by the name that it only works with IPv4 addresses, not IPv6.
Nothing complex. It takes a string, checks the format, and the range of octet values, and returns its verdict.
Find out more
You can see it in action in the main image above, and in the video here:
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