mathematica处理字符串

1、首先，给出一个甜入艺阝句子a：a="The eagle flies in the vast sky,the fish swim in th髫潋啜缅e clear water,and all things are in the light of autumn to live a free life.";

2、对字符串强制换行：InsertLinebreaks[a,36]

3、按照空格，把句子分解为单词：b=StringSplit[a]

4、在单词的左面填充0，使得每个单词的长度为20：c=StringPadLeft[b,20,"0"];

5、在右侧填充单词：d=StringPadRight[b,20,"^o._"];

6、用“___”把单词两两连接，并换行：StringRiffle[Partition[水瑞侮瑜b,2] ,"\n","___"]