JSFiddle - React, Tailwind, and code Playground

HTML

<div id="inner">rotate(20, 20, 20)</div>
<div id="log"></div>

JavaScript

var regex = /(.*rotate\()[^)]*(\).*)/g;
var inner = document.querySelector("#inner").innerText;
var log  = document.querySelector("#log");

for (var a = 0; a < 10; a++) {
	if (!regex.test(inner)) {
  	log.innerHTML += "true";
  }
  else {
  	log.innerHTML += "false";
  }

  log.innerHTML += " ";
}