JSFiddle - React, Tailwind, and code Playground

JavaScript

let data = {
  "servergenre": "Classic Rock",
  "servergenre2": "pop",
  "servergenre3": "rock",
  "servergenre4": "jazz",
  "servergenre5": "80s",
  "serverurl": "http://www.name.com",
  "servertitle": "ServerHero",
  "bitrate": "48",
  "samplerate": "0"
};

let keys = Object.keys(data).filter( key => key.indexOf('servergenre') > -1);

console.log(keys);

keys.forEach(key => {
	console.log(`${key}: ${data[key]}`);
});