HTN20190109 https://blog.hatena.ne.jp/HTN20190109/ HTN20190109の日記 https://htn20190109.hatenablog.com/ DB MySQL (8.0.22)https://qiita.com/bezeklik/items/d8d74deece96cb446998 drop table tab1;create table tab1(col1 varchar(100));insert into tab1 values('0001');insert into tab1 values('A001');insert into tab1 values('00A1');insert into tab1 values('001A');insert into tab1 values('AAAA');insert into tab1 va… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2021%2F08%2F27%2F163523" title="数字のみのレコード抽出 - HTN20190109の日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-08-27 16:35:23 rich https://htn20190109.hatenablog.com/entry/2021/08/27/163523 1.0 100%