Handle string with with octal escape sequences

js-script.js

const hexToAscii = str => {
  return str
    .match(/.{2}/g)
    .reduce(
      (current, substr) => current + String.fromCharCode(parseInt(substr, 16)),
      '',
    )
    .replaceAll(/\x00|\\b|\n|\r/g, ''); // remove unwanted characters
};

const checkHex = str => {
  const regex1 = str.match(new RegExp('(\\X2).*(\\X0)', 'igm'))
  return !!regex1 ? regex1[0] : false;
}
  
  
const str = String.raw`\X2\00D8\X0\600 SPUN PILE`
let words = str.split(' ')
words = words.reduce((curr, w) => {
	const match = checkHex(w)
    if(match !== false) {
      curr.push(w.replace(match, hexToAscii(match.replaceAll(/\\/g, ''))).replaceAll(/\\/g, ''))
    } else {
      curr.push(w)
    }
  return curr
}, [])

console.log(words.join(' ')) // Ø600 SPUN PILE