Function AlerteCaracteres(ByVal Chaine As String) As String
Dim I As Integer
AlerteCaracteres = ""
For I = 1 To Len(Chaine)
Select Case Mid(Chaine, I, 1)
Case "/", "\", ":", "*", "?", "|", "<", ">", """"
AlerteCaracteres = AlerteCaracteres & Mid(Chaine, I, 1)
End Select
Next I
End Function