typescript nodejs zenkakuToHankaku

Posted 2021-05-20

// 参考: https://qiita.com/yamikoo@github/items/5dbcc77b267a549bdbae
export function zenkakuToHankaku(str: string): string {
  return str.replace(/[Ａ-Ｚａ-ｚ０-９]/g, (s) => {
    return String.fromCharCode(s.charCodeAt(0) - 0xFEE0);
  });
}