JSFiddle - React, Tailwind, and code Playground

by darkajax

JavaScript

var text = '<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html [<!ENTITY amp "&#38;#38;">]><div>Blah<br> Blah</div>';

alert(text.replace(/\<\?xml.+\?\>|\<\!DOCTYPE.+]\>/g, ''));