Firebase Password Validation allowed regex

Question

I was wondering if anyone knew the official allowed passwords for Firebase\'s Email and Password Authentication API.

So far I understand that there is

Answer 1

Your understanding is correct - the only requirement is a minimum of 6 chars.

However, if you are building Android/iOS apps, I would suggest -not- to hardcode the validation logic in your app, since the new user signup request is handled by Firebase Auth server.