得出字符串最后一个符号(" \ ")的位置=LEFT(A11,FIND("#",SUBSTITUTE(A11,"\","#",(LEN(A11)-LEN(SUBSTITUTE(A11,"\","")))))) 相关文章: 2022-12-23 2022-12-23 2022-12-23 2021-06-07 2021-05-29 2022-12-23 2022-12-23