XL 2016 Suppression des caractères spéciaux

Function shuntSpec_Char(chaine)
Dim t$, I&, c$
For I = 1 To 26: t = t & Left(Cells(1, I).Address(0, 0), 1) & " ": Next
t = t & LCase(t) & "0 1 2 3 4 5 6 7 8 9 "
'on obtient "A B C D E F G H I J K L M N O P Q R S T U V W X Y Z a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9"
For I = 1 To Len(chaine)
If InStr(1, t, Mid(chaine, I, 1)) Then c = c & Mid(chaine, I, 1)
Next
shuntSpec_Char = c
End Function


Sub test()
MsgBox shuntSpec_Char("ajurb?:;dlkf#,')(_-sdkdje")
End Sub

Function shuntSpec_Char2(chaine)
    For I = 1 To Len(chaine)
        Select Case Asc(Mid(chaine, I, 1))
        Case 97 To 122, 65 To 90, 48 To 57
            c = c & Mid(chaine, I, 1)
        End Select
    Next
    shuntSpec_Char2 = c
End Function


Sub test2()
    MsgBox shuntSpec_Char2("ajurb?:;dlkf#,')(_-sdkdje")
End Sub