how to split in c sharp

am doing a project, in that i loading a c++ program into a richtext box, then i have to split,

actually i want to how to remove all the whitespace and then split the string
that means...
example i have the loaded code contains
#include
int main()
{
(space) int a,b;
}

   so i have to get..
int
a
,
b
;
here the whitespace means, in the above code have int a,b; actually it have some space (space), so how will remove this
how will do this?

i can't understand your question plz some depth