So a few times I have wanted/needed some sort of input validation (aka input mask) we had an old udf somebody made that sort of worked but was hard to use and a bit limited. As I started to learn regex of late sort of by chance I realized it could be used as a pretty great input validation. But it was a lot of code if you wanted to do it for multiple fields. So wrapped it up into a little function and sharing. Far from a UDF so putting in the example section, and I am not sure if what I am d