jQuery Telephone & Email Validation

Basics

If you're already using jQuery Validation to validate data entered on your website, in just a few minutes you can extend it to use our services to greatly improve the validation level of your telephone number and email address fields.

Add our library with two lines of code:

<script type="text/javascript" src="https://webservices.data-8.co.uk/javascript/loader.ashx?key=your-api-key&load=PhoneValidation,EmailValidation"></script>
<script type="text/javascript" src="https://webservices.data-8.co.uk/javascript/jqueryvalidation_min.js"></script>

Replace your-api-key in the URL with your own API Key that you can get from your dashboard.

Once you've included our library you can set it to work by adding our rules to your jQuery Validation configuration:

<input type="tel" name="telephone" class="required d8val_phone" />
<input type="email" name="email" class="required d8val_email" />

Example

Configuration

As this library simply adds rules to the existing jQuery Validation framework, you can continue to add rules to your form as normal and jQuery Validation will check them as for any other rule type. The following new rule types are available:

Advanced Options

These additional options can be specified in the jQuery Validation rules by adding _opt to the rule name and passing an array of { name, value } pairs to it, e.g.:

$("#form").validate({
  rules: {
    telephone: {
      required: "Enter a telephone number",
      d8val_phone_opt: [ { name: "BarredPrefixes", value: "+4490" } ]
    }
  }
});

This applies the BarredPrefixes option to the Phone Validation service to ensure that any UK premium rate number is marked as invalid. Remember to update the name on the field to match too.

To increase the level of validation that email validation is performed at, simply add the property d8validationlevelto the email input, and specify one of the available levels such as address.

For a full list of all the available options, please see the documentation for the individual services:

• Phone Validation
• Email Validation