Twitch Plays MarI/O filter (paste into browser console)

(function(){var p=require("web-client/components/chat-line")["default"].prototype;if(typeof ORIG==='undefined'){ORIG=p.didInsertElement}p.didInsertElement=function(){ORIG.apply(this,arguments);if(this.msgObject.message.match(/^ *[0-9]+ *$/)){this.element.style.display='none'}}}())