Something

on *:JOIN:#Help:.timer 1 1 testcheck $chan $nick
alias testcheck {
  var %p $nick($1,$2).pnick
  if ($regex(%p,/[~&@]/)) {
    if (@* iswm %p) {
      chghost $2 $+($2,.Help-Operator.HydroIRC.net)
      sajoin $2 #Help.Staff      
    }
    .notice $2 Your host has been changed to $+($2,.Help-Operator.SwiftIRC.net) and you have been joined to #Help.Staff
  }
}