Validation going wrong with @ character

Question

I am using javascript for password validation:

$.validator.addMethod('mypassword', function(value, element) {
    return this.optional(element) || (value.match(/^(?=.*\d)(?=.*[A-Z])[0-9a-zA-Z]{8,}$/));
},
'Password must contain at least one numeric and one uppercase alphabetic character.');

I need the password to be at least one numeric and one uppercase alphabetic character. But, if i enter the characters such as @, # ,$ with one numeric and one uppercase alphaberic character in password, it still shows the error message.

Password9 accepted
Password@1 not accepted

score 1 · Answer 1 · answered Apr 17 '17 at 03:18

1

This part in your regex does not allow @:

[0-9a-zA-Z]

If you don't want any limit, then change [0-9a-zA-Z]{8,} to .{8,}.

answered Apr 17 '17 at 03:18

xdazz

158,678
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score 1 · Answer 2 · edited May 23 '17 at 12:09

According to your regular expression, your password must consist of at least 8 alphanumeric characters and nothing else. Your second password does not match this criterion. Try

/^(?=.*\d)(?=.*[A-Z]).{8,}$/

Yet I am not sure this is what you want, as you may want to restrict the set of permitted characters in order to avoid, e.g. non-english letters like äöü.

You might want to list all permitted characters, like so

/^(?=.*\d)(?=.*[A-Z])[0-9a-zA-Z\%\&\/\$\@\#]{8,}$/

Or try to specify a unicode range:

Javascript + Unicode regexes

score 1 · Answer 3 · answered Apr 17 '17 at 06:39

(function(){  
       var regex=/^(?=.*\d)(?=.*[A-Z])[!-~]{8,}$/;    
    var arr=["Password9","Password@1","password@1"];
    for(var i=0;i<arr.length;i++){
     console.info(arr[i]+"\t"+(regex.test(arr[i])?"accepted":"not accepted"));
    }   
    })();

try it

Validation going wrong with @ character

3 Answers3