on @$1:text:/^\.(?i)(i|u?b|op)\b/S:#:{
  if (opnick* iswm $nick) && (!%p) {
    var %2 $$2
    goto $replace($regml(1),i,i,b,b,op,op,ub,ub)
    :i | invite %2 # | halt
    :b | $iif(%2 ison #,ban # %2 2,msg # * %2 is not on #) | halt
    :op | cs op # $me | .describe # thanks to $nick | halt
    :ub | mode # -b $address(%2,2)
    msg # %2 On behalf of this op, your ban has been appealed and lifted :)
  }
}