Regex: “password must have at least 3 of the 4 of the following”

Question

I\'m a Regex newbie, and so far have only used it for simple things, like \"must be a number or letter\". Now I have to do something a bit more complex.

I need to u

Answer 1

Not sure if its a iOS thing, the regex with "d" for digits [0-9] wasn't working as expected, example String that had issues = "AAAAAA1$"

The fix below works fine in Objective-C and Swift 3

   ^((?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])|(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[^a-zA-Z0-9])|(?=.*?[A-Z])(?=.*?[0-9])(?=.*?[^a-zA-Z0-9])|(?=.*?[a-z])(?=.*?[0-9])(?=.*?[^a-zA-Z0-9])).{8,16}$