Some Online Infos

https://qiita.com/xantojoe
https://note.com/xanto/n/nf14e11205b93
https://www.cnblogs.com/xdzhcs/p/17803447.html
https://xanto.substack.com/p/practical-methods-for-counting-characters
https://xanto.gorillawiki.jp/entry/c8edbbac8be552bc0f53fcd6a42ce76b
https://link.uisdc.com/?redirect=https%3A%2F%2Ftextlen.com%2F
https://ankey.io/wordbooks/crg349a9io6g02va099g?ranking_current=total
https://www.tumblr.com/xdzhcs/761236771393699840/文字数カウント-簡単に文字数を計算-英語
https://ext-6623585.livejournal.com/274.html?newpost=1