CODEWITHSUNDEEP
javascriptjqueryregex
theJava
theJava

Reputation: 15034

jQuery validation not working as expected

Below is my regular expression method.

 $.validator.addMethod("regex", function (element, value, regexp) {
        var re = new RegExp(regexp);
        return this.optional(element) || re.test(value);
    }, "Special Characters not permitted");

Below is my rules.

var rules = {
    cname: {
        required: true,
        minlength: 8
        //alphanumeric:true
        //regex: "/^\w+$/i"
        //uniqueCompnameName: true
    }
}

When i pass the regular expression to regex, it does not work at all.

Upvotes: 1

Views: 54

Answers (2)

Mike Perrenoud
Mike Perrenoud

Reputation: 67898

So keep in mind that \w is going to be the same as [a-zA-Z0-9_]. Now, for the Regex, you are really looking for this here:

^[A-Za-z0-9]{8,}$

Regular expression visualization

That's saying any word character with a minimum length of 8 characters.

And then finally, when passing the Regex into the function, you want to pass it like this:

regex: '^[A-Za-z0-9]{8,}$'

and then when building the RegExp you want to pass the flags as the second parameter:

var re = new RegExp(regexp, 'i');

Debuggex Demo

Upvotes: 1

Arun P Johny
Arun P Johny

Reputation: 388316

Try to pass the regex using a regex notation instead as a string

$.validator.addMethod("regexp", function (value, element, regexp) {
    if (typeof regexp == 'string') {
        regexp = new RegExp(regexp);
    }
    return this.optional(element) || regexp.test(value);
}, "Special Characters not permitted");

then

        name1: {
            required: true,
            regexp: '/^\w+$/'
        },
        name2: {
            required: true,
            regexp: /^\w+$/i
        }

Demo: Fiddle

Upvotes: 2

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