IFERROR(MID($E2,1,FIND("省",$E2)),"")
MID($E2,FIND("省",$E2)+1,FIND("市",$E2)-FIND("省",$E2))
IFERROR(MID($E2,FIND("市",$E2)+1,FIND("区",$E2)-FIND("市",$E2)),"")
IFERROR(MID($E2,FIND("市",$E2)+1,FIND("县",$E2)-FIND("市",$E2)),"")