Validators / vat

<form id="vatForm" class="form-horizontal">
    <div class="form-group">
        <label class="col-lg-3 control-label">VAT number</label>
        <div class="col-lg-5">
            <input type="text" class="form-control" name="vat" />
        </div>
    </div>
</form>

$(document).ready(function() {
    $('#vatForm').bootstrapValidator({
        feedbackIcons: {
            valid: 'glyphicon glyphicon-ok',
            invalid: 'glyphicon glyphicon-remove',
            validating: 'glyphicon glyphicon-refresh'
        },
        fields: {
            vat: {
                validators: {
                    vat: {
                        message: 'The VAT number is not valid'
                    }
                }
            }
        }
    });
});