<%function checkisUrl(tmpString) dim c,i checkisUrl = true tmpString=Lcase(trim(tmpString)) if left(tmpString,7)<>\”http://\” then tmpString=\”http://\”&tmpString for i = 8 to Len(checkisUrl) c = Lcase(Mid(tmpString, i, 1)) if InStr(\”abcdefghijklmnopqrstuvwxyz_-./\\\”, c) <= 0 and not IsNumeric(c) then checkisUrl = false exit function end if next if Left(tmpString, 1) = \”.\” or Right(tmpString, 1) = \”.\” then checkisUrl = false exit function end if if InStr(tmpString, \”.\”) <= 0 then checkisUrl = false response.Write \”f3\” exit function end if if InStr(checkisUrl, \”..\”) > 0 then checkisUrl = false end ifend function%><%if checkisUrl(request(\”u\”))=true then %>恭喜,你的URL通过!<%else %>对不起,你的URL不合乎规范,请重新检查!<%end if%>
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