vb.net rich textbox question

[trains58554]

dose anyone know how to do a find and replace on a rich textbox. what i want from it is to find special key words in the rtb like[state] and then when the user clicks the button it will replace [state] with the state that is saved in my database.

thanks
trains58554

[Hack]

Have a look here. (http://www.codeproject.com/KB/vb/findandriplace_rtb.aspx)