How to limit Cyrillic input in Django?

Question

Django

Hello! I'm making a personal account on a django site. Could you tell me how to limit the input of the login and password fields only in Latin characters during registration?

Answer 1

In this case, I would not do validation on the server - after POST, in case of an error, the user will have to re-enter all the form data (or did you secure yourself from this?).
I would do everything on the frontend, for example, this library with any regular expression you need (see examples above).

Answer 2

You don't have to do that!
If you really want to hurt users, use validators.