Anonymous

 if ($nick isreg $chan || $nick isvoice $chan) && ($me isop $chan) { 
    var %Time = 30 
    var %Repeats = 4 
    var %BanTime = 5 
    inc %ownt 
    ; Change these values to: Time delay, number of messages and BanTime in minutes. 
    if (!%Repeat. [ $+ [ $nick ] ]) { 
      inc $+(-u,%Time) $+(%,Repeat.,$nick) 
      set $+(%,Repeat.,$nick,.1) $hash($strip($1-),32) 
    } 
    elseif ($($+(%,Repeat.,$nick,.,1),2) = $hash($strip($1-),32)) { 
      inc $+(-u,%Time) $+(%,Repeat.,$nick) 
      var %y = $($+(%,Repeat.,$nick),2) 
      set $+(-u,%Time) $+(%,Repeat.,$nick,.,%y) $hash($strip($1-),32) 
      if ($($+(%,Repeat.,$nick),2) >= %Repeats) { 
        ban $+(-ku,$calc(%BanTime * 5)) $chan $nick 2 $+($chr(91),%BanTime,min ban,$chr(93)) %Repeats repeats in less than %Time seconds >> %ownt <<  
        unset $+(%,Repeat.,$nick,*) 
      } 
    } 
    elseif (%Repeat. [ $+ [ $nick ] ]) { 
      inc $+(-u,%Time) $+(%,Repeat.,$nick) 
      set $+(%,Repeat.,$nick,.1) $hash($strip($1-),32) 
      unset $+(%,Repeat.,$nick,*) 
    }