How to check password policy???

manager.PasswordValidator = new PasswordValidator 
{ 
RequiredLength = 6, 
RequireNonLetterOrDigit = true, 
RequireDigit = true, 
RequireLowercase = true, 
RequireUppercase = true, 
};

1. function CheckPassword(inputtxt)
2. {
3. var passw = /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).{6,20}$/;
4. if(inputtxt.value.match(passw))
5. {
6. alert('Correct, try another...')
7. return true;
8. }
9. else
10. {
11. alert('Wrong...!')
12. return false;
13. }
14. }