=SI(OU(ESTNUM(CHERCHE("7";F5));ESTNUM(CHERCHE("5";F5));ESTNUM(CHERCHE("9";F5)));TEXTE(E5;"jj/mm/aa");"")&
SI(OU(ESTNUM(CHERCHE("7";H5));ESTNUM(CHERCHE("5";H5));ESTNUM(CHERCHE("9";H5)));" ; "&TEXTE(G5;"jj/mm/aa");"")&
SI(OU(ESTNUM(CHERCHE("7";J5));ESTNUM(CHERCHE("5";J5));ESTNUM(CHERCHE("9";J5)));" ; "&TEXTE(I5;"jj/mm/aa");"")