正则表达式用于不允许\\符号的密码

Question

Hello friends i am creating regex for password

here is my regex

    /^(?=.*[A-Z])(?=.*[a-z])(?!.*[0-9~=?<>()`'"\/& ]).{8,20}.*$/

password should:

1. Be between 8-20 characters
2. It must include at least one uppercase letter and one lowercase letter
3. It also may include symbols but not these: =?<>()'"/\\& .

my regex is ok but it accept \\ symbol. But i dont allow this symbol so please suggest some solution.

Answer 1

I have been cautioned recently on this so placing my code in comment as answer.

This regex should work:

/^(?=.*[A-Z])(?=.*[a-z])(?!.*[\\0-9~=?<>()'"\/& ]).{8,20}$/