Usernames should not have any spaces and should only contain letters (a-z), numbers (0-9), and underscores.
The length of a username should be between 5-15 characters.
Passwords should be 6-128 characters, including letters (a-z), numbers (0-9), and symbols (“! # $ & ( ) * + , - . : ; < = > ? @ [ ] ^ _ { | } ~”).
Passwords should not contain spaces.