Normalize characters in JavaScript

normalize-characters-js.md

// replace á per a; ñ per n etc
normalizeDiacriticalMarks = (string) => {
  return string.normalize('NFD').replace(/[\u0300-\u036f]/g, '');
}

// remove all character are not hypen minus ("-"), space or in the range a-z
sanitize = (string) => {
  string = this.normalizeDiacriticalMarks(string);
  return string.replace(/[^\u002D\u0020\u0061-\u007A]/gi, '');
}