Java 拆分一个字符串，其中分隔字符串^^^^^对正则表达式有特殊意义

试着像这样分开一根线

12^^^^John Doe^^^^+1897987987
delimiter is the ^^^^

   String[] line = str.split("^^^^");
   id = line[0];
   // code below does not work because there is only one element in array 
   name = line[1];
   number = line[2];

split方法不进行拆分，而是返回整行和单长度数组

   String[] line = str.split("^^^^");
   id = line[0];
   // code below does not work because there is only one element in array 
   name = line[1];
   number = line[2];

---

^在正则表达式中有特殊的含义，因此我认为必须以不同的方式传递此拆分参数才能达到预期的结果，请告知。

您需要转义这些字符-

^

表示正则表达式中的“行开始”

   String[] line = str.split("^^^^");
   id = line[0];
   // code below does not work because there is only one element in array 
   name = line[1];
   number = line[2];

String[]line=str.split（\\^\\\^\\\^^）

   String[] line = str.split("^^^^");
   id = line[0];
   // code below does not work because there is only one element in array 
   name = line[1];
   number = line[2];

需要两个
\
，否则Java会尝试将
\^
解释为字符串转义字符，如
\n
或
\t

   String[] line = str.split("^^^^");
   id = line[0];
   // code below does not work because there is only one element in array 
   name = line[1];
   number = line[2];