Function JoindreUnique$(txt$, sep$, sep1$)
Dim e, x$
If txt = "" Then Exit Function
txt = Replace(txt, sep1, sep)
x = sep
For Each e In Split(txt, sep)
e = Trim(e)
If InStr(x, sep & e & sep) = 0 Then x = x & e & sep
Next
JoindreUnique = Mid(x, Len(sep) + 1, Len(x) - 2 * Len(sep))
End Function