使え

(?#250文字以上NG)(?s).{250}
(?#一行に全角80文字以上NG)[^\x01-\x7E]{80,}
(?#10行NG)(.*\n){10}
(?#1文字ずつ改行NG)(.\n){3}
(?#一文字改行5連続)(?m)(.\s){5,}
(?#一文字改行4連続)[()/|ヽ()/\|])(?= *[_  ̄_]{3})[ _ _ ̄]+\1
(?#区切り文字)(?:[ w w]+[ぁ-龠]){4}(?=[ <w w]|$)
(?#アンカー5連投)(?:^|<br>)(?:[^<]*?(?:<a [^<]+</
a>|(?:>|>){1,2}\d+)){5}
(?#縦書き 4文字)(?:^|\n)[  ]*[^ < ](?:(?:[  ]*\n)+[  ]*[^ < ]){3}(?=[  ]*(?:\n|$))
(?#1行文連投)(?:^|<br>)(?![  ]*<br>)((?:[^<]|<a [^<]+</a>)+)<br>\1(?=(?:<br>|$))
(?#1行文の2連投)(?:^|<br>)(?![  ]*<br>)((?:[^<]|<a [^<]+</a>)+)<br>\1(?=(?:<br>|$))