=GAUCHE(A2;TROUVE(" ";A2)+1)
Option Explicit
Sub Nom_P_extraire()
Dim c As Range
Application.ScreenUpdating = False
For Each c In Sheets("Feuil1").Range("a2:a" & Cells(Rows.Count, "a").End(xlUp).Row)
With Sheets("Feuil2").Range("b2:b" & Cells(Rows.Count, 1).End(xlUp).Row)
.FormulaR1C1 = "=LEFT(Feuil1!RC[-1],FIND("" "",Feuil1!RC[-1])-1)&"" ""&MID(Feuil1!RC[-1],FIND("" "",Feuil1!RC[-1])+1,1)"
.Value = .Value
End With
Next
Application.ScreenUpdating = True
End Sub