Custom Registration Fields not recognizing length

I entered “serial_number” as a registration field.

Alphanumeric, 23 exactly, expected format xxxxx-xxxxx-xxsxx-xxxxx

But a user can enter anything in the field. (like just 1234)

Shouldn’t they be prompted for an invalid response? How do I force 23 characters?

Hi Vincent.

Thanks for reporting that. Interesting… I’ll do some tests trying to reproduce it, and dig into the code to see what may be happening.