Also, to make it look even more realistic
( ************0123), I once used
<CFOUTPUT>
<CFSET stars=#LEN(cardnum)# - 4>
<CFLOOP from="1" to=#stars# index=loop>
*
</cfloop>
<CFLOOP from = #loop# to=#LEN(cardnum)# index=loop2>
#MID(cardnum,loop2,1)#
</cfloop>
</cfoutput>
Thtere's probably better ways, but hey-ho!