Sub Bouton1_QuandClic()
Dim tablo As Variant
Dim tablosplit As Variant
Dim i As Integer
Dim j As Byte, k As Byte
Dim temp
tablo = Range('a1:a' & Range('a65536').End(xlUp).Row)
ReDim Preserve tablo(1 To UBound(tablo), 1 To 2)
For i = 1 To UBound(tablo)
tablosplit = Split(tablo(i, 1), ' ')
tablo(i, 2) = tablosplit(1)
Next i
For i = 1 To UBound(tablo)
For j = 1 To UBound(tablo)
If tablo(i, 2) < tablo(j, 2) Then
For k = 1 To 2
temp = tablo(i, k)
tablo(i, k) = tablo(j, k)
tablo(j, k) = temp
Next k
End If
Next j
Next i
For i = 1 To UBound(tablo)
Cells(i, 2) = tablo(i, 1)
Next i
End Sub