Déjà que les photos ne sont pas très pratiques ni utiles, mais si en plus elles sont là pour tromper...
A voir :
Sub normaliser()
Dim datas, lig As Long, i As Long, tmp
datas = [N3].Resize(Cells(Rows.Count, "N").End(xlUp).Row).Value
For lig = 1 To UBound(datas)
If InStr(datas(lig, 1), "/P=") = 0 Then
tmp = Split(datas(lig, 1), ",")
For i = 0 To UBound(tmp)
tmp(i) = Replace(tmp(i), " ", "µ", , 2)
tmp(i) = Replace(tmp(i), " ", "/P=")
tmp(i) = Replace(tmp(i), "µ", " ", , 2)
Next i
datas(lig, 1) = Join(tmp, ",")
End If
Next lig
[N3].Resize(UBound(datas)) = datas
End Sub