The password must have at least 8 but no more than 12 characters. 急!

问题描述:

The password must have at least 8 but no more than 12 characters. 急!
The password must have at least 8 but no more than 12 characters. It must contain upper case and lower case alphabetic characters, and at least one number or symbol.

密码至少包含六个字母,不能多于十二个字母.