就针对你截图这个而言,

=TEXTJOIN(CHAR(10),TRUE,"("&SEQUENCE(ROWS(TEXTSPLIT(SUBSTITUTES(SUBSTITUTE(SUBSTITUTE(J1,CHAR(10),""),")",")"),{"1)";"."},{"";""}),,{"1)","2)","3)","4)","5)","6)","7)","8)","9)"})))&")."&TEXTSPLIT(SUBSTITUTES(SUBSTITUTE(SUBSTITUTE(J1,CHAR(10),""),")",")"),{"1)";"."},{"";""}),,{"1)","2)","3)","4)","5)","6)","7)","8)","9)"})懒得去简化公式了