Someone

 on *:TEXT:*:#:{
 if ($nick isop $chan) || ($nick ishop $chan) || ($nick isvoice $chan) { halt }
 if (!%repeat. [ $+ [ $nick ] ]) {
 set -u5 %repeat. [ $+ [ $nick ] ] $1-
 halt
}
 else {
 if (%repeat. [ $+ [ $nick ] ] == $1-) {
ban -ku300 $chan $nick 2 Repeating - 2:5 Ratio - 5 Minute Ban.
unset %repeat. [ $+ [ $nick ] ]
 }
}
 elseif (($nick isop $chan || $nick ishop $chan || $nick isvoice $chan)) { halt }
inc -u8 %var 1
 if (%var >= 4) {
 ban -ku600 $chan $nick 2 Flooding - 4:8 Ratio - 10 Minute Ban.
 }
 }