JSFiddle - React, Tailwind, and code Playground
HTML
<div id='msgs'></div>
JavaScript
var url = 'http://www.example.com/page/#!/search/Query Here/';
var m = /(.*\/#!\/search\/)([^\/]+)/.exec(url);
if(m) {
$('#msgs').text('match: ' + m[1] + ' ----- ' + m[2]);
} else {
$('#msgs').text('no match');
}