Validators / issn

<form id="issnForm" class="form-horizontal">
    <div class="form-group">
        <label class="col-lg-3 control-label">ISSN</label>
        <div class="col-lg-5">
            <input type="text" class="form-control" name="issn" />
        </div>
    </div>
</form>

$(document).ready(function() {
    $('#issnForm').bootstrapValidator({
        feedbackIcons: {
            valid: 'glyphicon glyphicon-ok',
            invalid: 'glyphicon glyphicon-remove',
            validating: 'glyphicon glyphicon-refresh'
        },
        fields: {
            issn: {
                validators: {
                    issn: {
                        message: 'The value is not valid ISSN'
                    }
                }
            }
        }
    });
});