hi
u can use one on dialog event and use $dname & $did like
on *:DIALOG:rshelp:sclick:*:{
if ($did == 7) did -ra $dname 6 To Change Your Nick Type: /nick NewNick
elseif ($did == 8) did -ra $dname 6 To register your nick Type: /msg nickserv register password validemail@host.com
...
...
}
and about your alias you can use $regsubex like this
alias -l rshelpsay if ($active == #) msg $v1 $regsubex($str(.,$did(6).lines),/./g,$+($did(6,\n),$chr(32)))