+1 en Excel

Public Function ChiffreLettre(ValNum As Double) As String

    Static Unites(0 To 9) As String
    Static Dixaines(0 To 9) As String
    Static LesDixaines(0 To 9) As String
    Static Milliers(0 To 4) As String
     
    Dim i As Integer
    Dim nPosition As Integer
    Dim ValNb As Integer
    Dim LesZeros As Integer
    Dim strResultat As String
    Dim strTemp As String
    Dim tmpBuff As String
     
    Unites(0) = "zero"
    Unites(1) = "un"
    Unites(2) = "deux"
    Unites(3) = "trois"
    Unites(4) = "quatre"
    Unites(5) = "cinq"
    Unites(6) = "six"
    Unites(7) = "sept"
    Unites(8) = "huit"
    Unites(9) = "neuf"
  
    Dixaines(0) = "dix"
    Dixaines(1) = "onze"
    Dixaines(2) = "douze"
    Dixaines(3) = "treize"
    Dixaines(4) = "quatorze"
    Dixaines(5) = "quinze"
    Dixaines(6) = "seize"
    Dixaines(7) = "dix-sept"
    Dixaines(8) = "dix-huit"
    Dixaines(9) = "dix-neuf"
  
    LesDixaines(0) = ""
    LesDixaines(1) = "dix"
    LesDixaines(2) = "vingt"
    LesDixaines(3) = "trente"
    LesDixaines(4) = "quarante"
    LesDixaines(5) = "cinquante"
    LesDixaines(6) = "soixante"
    LesDixaines(7) = "soixante-dix"
    LesDixaines(8) = "quatre-vingt"
    LesDixaines(9) = "quatre-vingt-dix"
  
    Milliers(0) = ""
    Milliers(1) = "mille"
    Milliers(2) = "million"
    Milliers(3) = "millard"
  
    On Error GoTo ChiffreLettreError
     
    strTemp = CStr(Int(ValNum))
     
    For i = Len(strTemp) To 1 Step -1
        ValNb = Val(Mid$(strTemp, i, 1))
        nPosition = (Len(strTemp) - i) + 1
        Select Case (nPosition Mod 3)
            Case 1
                LesZeros = False
                If i = 1 Then
                    If ValNb > 1 Then
                        tmpBuff = Unites(ValNb) & " "
                    Else
                        tmpBuff = ""
                    End If
                ElseIf Mid$(strTemp, i - 1, 1) = "1" Then
                    tmpBuff = Dixaines(ValNb) & " "
                    i = i - 1
                ElseIf Mid$(strTemp, i - 1, 1) = "9" Then
                    tmpBuff = LesDixaines(8) & " " & Dixaines(ValNb) & " "
                    i = i - 1
                ElseIf Mid$(strTemp, i - 1, 1) = "7" Then
                    tmpBuff = LesDixaines(6) & " " & Dixaines(ValNb) & " "
                    i = i - 1
                ElseIf ValNb > 0 Then
                    tmpBuff = Unites(ValNb) & " "
                Else
                    LesZeros = True
                    If i > 1 Then
                        If Mid$(strTemp, i - 1, 1) <> "0" Then
                            LesZeros = False
                        End If
                    End If
                    If i > 2 Then
                        If Mid$(strTemp, i - 2, 1) <> "0" Then
                            LesZeros = False
                        End If
                    End If
                    tmpBuff = ""
                End If
                If LesZeros = False And nPosition > 1 Then
                    tmpBuff = tmpBuff & Milliers(nPosition / 3) & " "
                End If
                strResultat = tmpBuff & strResultat
            Case 2
                If ValNb > 0 Then
                            strResultat = LesDixaines(ValNb) & " " & strResultat
                End If
            Case 0
                If ValNb > 0 Then
                    If ValNb > 1 Then
                        strResultat = Unites(ValNb) & " cent " & strResultat
                    Else
                        strResultat = "cent " & strResultat
                    End If
                End If
        End Select
    Next i
    If Len(strResultat) > 0 Then
        strResultat = UCase$(Left$(strResultat, 1)) & Mid$(strResultat, 2)
    End If
  
EndChiffreLettre:
    ChiffreLettre = strResultat
    Exit Sub
  
ChiffreLettreError:
    strResultat = "Une Erreur !"
    Resume EndChiffreLettre
End Sub