split 分割 字符串(分隔符如:* ^ : | , .)

【1】单个符号作为分隔符 

       String address="上海|上海市|闵行区|吴中路";

     String[] splitAddress=address.split("\|"); //如果以竖线为分隔符,则split的时候需要加上两个斜杠【\】进行转义

     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);

    

         String address="上海*上海市*闵行区*吴中路";

     String[] splitAddress=address.split("\*");

     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);

    

        String address="上海:上海市:闵行区:吴中路";
     String[] splitAddress=address.split("\:");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
         String address="上海.上海市.闵行区.吴中路";
     String[] splitAddress=address.split("\.");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    
       String address="上海^上海市^闵行区^吴中路";
     String[] splitAddress=address.split("\^");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    
         String address="上海@上海市@闵行区@吴中路";
     String[] splitAddress=address.split("@");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);

    

    String address="上海,上海市,闵行区,吴中路";
     String[] splitAddress=address.split(",");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);

    【2】多个符号作为分隔符

      String address="上海^上海市@闵行区#吴中路";
     String[] splitAddress=address.split("\^|@|#");
     System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
    
***************************格式 小提示***************************************************
 String address = new String("192.168.13.240");
        String[] str = address.split("\.");
        for(String s : str){
            System.out.println(s);
        }
 
输出格式:
192
168
13
240
System.out.println(splitAddress[0]+splitAddress[1]+splitAddress[2]+splitAddress[3]);
 
输出格式:上海上海市闵行区吴中路
*****************************************************************

总结:(1)split表达式,其实就是一个正则表达式。*  ^ | 等符号在正则表达式中属于一种有特殊含义的字符,如果使用此种字符作为分隔符,必须使用转义符即\加以转义。

          (2)如果使用多个分隔符则需要借助 | 符号,如【2】所示,但需要转义符的仍然要加上分隔符进行处理

转自:http://blog.sina.com.cn/s/blog_b6487d470101g0hp.html

原文地址:https://www.cnblogs.com/haopengchen/p/8392303.html