= Upper(A1) – 全部字母转换为大写字母
= Lower(A1) – 全部字母转换为小写字母
= Proper(A1) – 按照基本的英语语法规则,自动的将该大写的字母大写,将该小写的字母自动小写
如果A14=2-34-5-6
则:
=REPLACE(A14,2,2,"!") 2!4-5-6
=SUBSTITUTE(A14,"-","!",2) 2-34!5-6
=SUBSTITUTE(A14,"-","!") 2!34!5!6
用函数完成:
首字母变小写:=lower(left(a3,1)) & right(a3,len(a3)-1)
首字母变大写:=upper(left(a4,1)) & right(a4,len(a4)-1)