JSFiddle - React, Tailwind, and code Playground

by slolife

HTML

<div>GEM:1213</div>

JavaScript

$(document).ready(function() {
    var $body = $('body');
    var html = $body.html();
    var re = /(GEM\s*:\s*(\d+))/gi;
    var matches = html.match(re);
    alert(matches);
    //var newHtml = html.replace(/Tony/, 'Tiger');
    //$body.html(newHtml);
});