Remove Duplicate string in vb.net

Question

Hai Friends,

          I have string like

             = (Please call customer care to generate the ticket|787964465|hello| my string).

                (Please call customer care to generate the ticket|787964465|hello| my string).

 

 

           If this string repeat means it will remove the duplicate one in vb.net coding anyone help me pls..

 

Thanks in Advance Friends