bonjour,
au temps pour moi !
Sub aarghcompare()
Dim t()
dla = Cells(Rows.Count, 1).End(xlUp).Row
ReDim t(1 To dla, 1 To 1)
Set plage = Cells(1, 1).Resize(dla, 1)
dl = Cells(Rows.Count, 10).End(xlUp).Row
For i = 1 To dl
s = Cells(i, 10)
If IsNumeric(s) Then s = Format(s, "000")
Set re = plage.Find(s, lookat:=xlWhole, MatchCase:=False)
If re Is Nothing Then
Else
t(re.Row, 1) = 1
End If
Next i
Cells(1, 2).Resize(dla, 1) = t
Cells(1, 1).Resize(dla, 2).Sort key1:=Range("B1"), order1:=xlDescending, Header:=xlNo
Cells(1, 2).Resize(dla, 1).SpecialCells(2, 1).Offset(, -1).Resize(, 2).Delete shift:=xlUp
End Sub