Sub rechercher()
quoi = Feuil1.[A1].Value
For sh = 2 To Sheets.Count
a = Sheets(sh).UsedRange
For i = 2 To UBound(a)
If a(i, 1) = quoi Or a(i, 2) = quoi Then Sheets(sh).Activate: ActiveSheet.Rows(i).Select: Exit Sub
Next i
Next sh
MsgBox "Aucun résultat trouvé"
End Sub