スマホで使っている正規表現はこれ

(?:[ w　w]+[ぁ-龠]){4}(?=[ <w　w]|$)
^(.*\n){30}
(.{1,6}[\n　]){13,}
(?:^|\n)(.{5,}\n)\1{2}
(.{6,8})\1

こういうのは透明NGできてる
https://fate.5ch.net/test/read.cgi/akbsaloon/1724941952/126
https://fate.5ch.net/test/read.cgi/akbsaloon/1724941952/333

こういうのは防げてない
https://fate.5ch.net/test/read.cgi/akbsaloon/1724941952/268
https://fate.5ch.net/test/read.cgi/akbsaloon/1724941952/273
https://fate.5ch.net/test/read.cgi/akbsaloon/1724941952/443