＜containuの使い方＞

if (!receivers) return true;
  for (let item of receiversArray) {
    const convertItem = item.trim();
    if (validator.isEmail(convertItem)) {
      continue;
    } else if (/[[email protected]]+@wowtalk/.test(convertItem)) {
      continue;
    } else {
      return false;
    }
  }
  return true;