過濾非法字符

<% 
Function cutbadchar(str) 
badstr="不|文|明|字|符|列|表|格|式" 
badword=split(badstr,"|") 
For i=0 to Ubound(badword) 
If instr(str,badword(i)) > 0 then 
str=Replace(str,badword(i),"***") 
End If 
Next 
cutbadchar=str 
End Function 
Response.Write cutbadchar("中國不阿斗發射點發明") 
%>