Mine

on *:JOIN:#pestcontrol:{
  if ($nick isreg $chan) {
    if (unknown isin $nick) { 
      /kick $chan $nick 4PLEASE10 Use your RSN as your nick (/Nick Your RSN)
    }
    else { if ($len($nick) > 12) || ($chr(125) isin $nick) || ($chr(123) isin $nick) || (^ isin $nick) || (` isin $nick) || ($chr(124) isin $nick) || ($chr(45) isin $nick) { 
        /notice $nick Invalid name, Too long or contains invalid Characters(10[,10],10{,10},10-,10`). Type 10/nick YOURRSNAME to change your nick. type /hop once u change ur nick 
      /notice $nick Please Dont Reply To This Unless You Have A Question or such! }  
      else { msg RuneScript !cmb $nick }
    }
  }
}