Parser un String

function Parse(Char, S: string; Count: Integer): string;
var
I: Integer;
T: string;
begin
if S[Length(S)] <> Char then
S := S + Char;
for I := 1 to Count do
begin
T := Copy(S, 0, Pos(Char, S) - 1);
S := Copy(S, Pos(Char, S) + 1, Length(S));
end;
Result := T;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
//exemple
//retrouver la 2è occurence dans un string
//séparateur '|'
ShowMessage(Parse('|', 'A|B|C|D|E|F', 2));
end;