URIEncode(str, encoding := "UTF-8")  {
   VarSetCapacity(var, StrPut(str, encoding))
   StrPut(str, &var, encoding)

   While code := NumGet(Var, A_Index - 1, "UChar")  {
      bool := (code > 0x7F || code < 0x30 || code = 0x3D)
      UrlStr .= bool ? "%" . Format("{:02X}", code) : Chr(code)
   }
   Return UrlStr
}