How to remove white spaces from richtextbox

hello all,


i am new in window apllication c#. when i load rtf file in richtextbox control with every new paragraph with

and <\p>.
i have done this..but can't remove whitespace.
he show with blankspace

<\p>.

like..there is five paragraph in file.

aaaaaaaaaaaaaaaaaaaaaaaaaa<\p>

<\p>

<\p>

aaaaaaaaaaaaaaaaaaaaaaaaaa<\p>

aaaaaaaaaaaaaaaaaaaaaaaaaa<\p>

here, i want to remove two blanckspaces..
Plz,help me.