Function Extrait(x As String) As Double
Dim i%, deb%, y$
For i = 1 To Len(x)
If deb = 0 And IsNumeric(Mid(x, i, 1)) Then deb = i
If deb > 0 And Not IsNumeric(Mid(x, i, 1)) Then
If i - deb >= 10 Then
y = Mid(x, deb, i - deb)
If Left(y, 1) = "0" Then y = 33 & Mid(y, 2)
Extrait = CDbl(y)
Exit Function
End If
deb = 0
End If
Next
End Function