並前往https://isvincent.pixnet.net/blog/post/47175673-excel-%E8%A8%88%E7%AE%97%E5%84%B2%E5%AD%98%E6%A0%BC%E4%B8%AD%E7%9A%84%E6%95%B8%E5%AD%97%E5%80%8B%E6%95%B8%28len%2Csubstitute%29
