JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.10.0/jquery.validate.min.js"></script>
<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.10.0/additional-methods.js"></script>
<body>
<form id="myform">
<label for="mobile_phone">Mobile phone: </label>
<input class="phoneUS contactMethod" id="mobile_phone" name="mobile_phone">
<br/>
<label for="home_phone">Home phone: </label>
<input class="phoneUS contactMethod" id="home_phone" name="home_phone">
<br/>
<label for="work_phone">Work phone: </label>
<input class="phoneUS contactMethod" id="Work_phone" name="work_phone">
<br/>
<label for="work_phone">Fax phone: </label>
<input class="phoneUS contactMethod" id="fax_phone" name="fax_phone">
<br/>
<label for="work_phone">Email: </label>
<input class="phoneUS contactMethod" id="email" name="email">
<br/>
<input type="submit" value="Go!">
</form>
<script src="http://code.jquery.com/jquery-1.9.1.min.js"></script>
<script src="http://jquery.bassistance.de/validate/jquery.validate.js"></script>
<script src="http://jquery.bassistance.de/validate/additional-methods.js"></script>
<script>

JavaScript

$.validator.addClassRules("contactMethod", {
    require_from_group: [1, ".contactMethod"]
});

$( "#myform" ).validate();