Which is an error. Any ip like 2001:0000:0000::1 is going to be incorrect. It willingly produces errors. Whoever wrote this didn't even spend a few seconds thinking about the structure of IPv6 addresses.
> I don't see anything problematic with it.
Other than it being completely wrong and requiring a regex to be compiled for an amount of work that's certainly less than the compilation itself.
Which is an error. Any ip like 2001:0000:0000::1 is going to be incorrect. It willingly produces errors. Whoever wrote this didn't even spend a few seconds thinking about the structure of IPv6 addresses.
> I don't see anything problematic with it.
Other than it being completely wrong and requiring a regex to be compiled for an amount of work that's certainly less than the compilation itself.