Password must be between 6 and 30 characters long and must contain letters in mixed case.

题目

Password must be between 6 and 30 characters long and must contain letters in mixed case.
这句话的意思是：密码必须是6到30位,必须混有字母.
我把密码 abc1234567输入后得到The password does not contain the required characters.（密码不符合规定）
死活就是不行
是我理解错了吗?

答案

Password must be between 6 and 30 characters long and must contain letters in mixed case.
密码必须是6-30位,并且必须同时含有大写和小写字母.
case是指大小写的意思.
你再试试.