Function Classer(n As String) As String
Dim i%, a
If Len(n) < 2 Or Not n Like String(Len(n), "#") Then Exit Function
ReDim a(1 To Len(n))
For i = 1 To UBound(a): a(i) = Mid(n, i, 1): Next
tri a, 1, UBound(a)
Classer = Replace(Join(a, ""), 0, "#") 'NB.SI ignore les zéros non significatifs
End Function
Sub tri(a, gauc, droi) ' Quick sort
Dim ref, g, d, temp
ref = a((gauc + droi) \ 2)
g = gauc: d = droi
Do
Do While a(g) < ref: g = g + 1: Loop
Do While ref < a(d): d = d - 1: Loop
If g <= d Then
temp = a(g): a(g) = a(d): a(d) = temp
g = g + 1: d = d - 1
End If
Loop While g <= d
If g < droi Then Call tri(a, g, droi)
If gauc < d Then Call tri(a, gauc, d)
End Sub