JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.validate/1.8/jquery.validate.js"></script>
<form id="myform" >
    <input class= "dossier" type="text" value="type a state abbrivation here" />
</form>

JavaScript

jQuery.validator.addMethod("dossier", function(value) {
    var states = ['PA', "CA"]; // of course you will need to add more
    var in_array = $.inArray(value.toUpperCase(), states);
    if (in_array === -1) {
        return false;
    }else{
        return true;
    }
}, "Data provided is not a valid sate");


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