/**
 * Remove any special characters from the string
 *
 * @param s
 */
function normalize(s: string): string {
  return s
    .toLowerCase()
    .replace(/[éèẽëê]/g, 'e')
    .replace(/[ç]/g, 'c')
    .replace(/[îïĩ]/g, 'i')
    .replace(/[àã]/g, 'a')
    .replace(/[öôõ]/g, 'o')
    .replace(/[ûüũ]/g, 'u')
    .replace(/[-]/g, ' ')
    .trim()
}