若是先後字母個數不固定: B1=MID(A1,MATCH(0,0*MID(A1,ROW(INDIRECT("1:"&LEN(A1))),1),),MATCH(0,0*MID(A1,ROW(INDIRECT("1:"&LEN(A1))),1))-MATCH(0,0*MID(A1,ROW(INDIRECT("1:"&LEN(A1))),1),)+1) 數組公式,按 Ctrl+Shift+Enter 三鍵結束。數組