JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
<form id="myform">
    <input type="text" name="field1" />
    <br/>

    <input type="submit" />
</form>
<a href="http://docs.jquery.com/Plugins/Validation" target="_blank">Validation Documentation</a>

CSS

a {
    display: block;
    position: absolute;
    bottom: 0;
}

JavaScript

$(document).ready(function () {

    jQuery.validator.addMethod("dollarsscents", function (value, element) {
        return this.optional(element) || /^\d{0,4}(\.\d{0,2})?$/i.test(value);
    }, "You must include two decimal places");

    $('#myform').validate({
        rules: {
            field1: {
                required: true,
                dollarsscents: true
            }
        },
        submitHandler: function (form) { // for demo
            alert('valid form');
            return false;
        }
    });

});