I am trying to use the Include macro with from and to arguments. 
The macro works as documented.
<<Include(/SubPage,"Title Link", 3, from="^----$", to="^----$")>> 

The above will be extracting the content of subpage between 1st ruler and 2nd ruler
But is it possible to use from and to arguments which are not rulers, i.e not visible in the included page?
if so how?