假设内容写在A列,从A1单元格开始的数据,则B1单元格写入公式=IF(A1="","",LEN(SUBSTITUTE(LEFT(A1,FIND(IF(COUNT(FIND("(",A1)),"(","["),A1)-1)," ",)))下拉填充公式
=MID(A1,FIND("(",A1)+1,FIND(")",A1)-FIND("(",A1)-1)