on *:INPUT:#:{
  if ($chan == %Except) { msg $chan $1- } { halt }
  if ($chr(33) isin $1) { msg $chan $1- } { halt }
  if ($chr(46) isin $1) { msg $chan $1- } { halt }
  if ($chr(64) isin $1) { msg $chan $1- } { halt }
  if ($left($1,1) != /) {
    haltdef
    msg $chan $iif($me isop $chan,$+(04,$1-),$iif($me ishop $chan,$+(07,$1-),$iif($me isvoice $chan,$+(12,$1-),$+(10,$1-))))
  }
}

%Except #Allegra,#Spencer


That should work theoretically but it don't </3. The variable won't work for multiple channels...