Java String.Split () the point of attention when splitting special characters

"1" single symbol as delimiter         string address= "Shanghai | shanghai | Minhang | Wu Zhong Lu";      string[] Splitaddress=address.split ("\\|"); If you use a vertical bar as a delimiter, you need to add two slashes "\ \" to escape      system.out.println when split (splitaddress[0]+ SPLITADDRESS[1]+SPLITADDRESS[2]+SPLITADDRESS[3]);              string address= "Shanghai * Shanghai * Minhang * Wu Zhong Lu";      string[] splitaddress= Address.split ("\\*");      system.out.println (splitaddress[0]+splitaddress[1]+ SPLITADDRESS[2]+SPLITADDRESS[3]);             String address=, Shanghai: Shanghai: Minhang: Wu Zhong Lu;      string[] splitaddress=address.split ("\ \:");      system.out.println (Splitaddress[0]+splitaddress[1]+splitaddress[2]+splitaddress[3]);           string address= "Shanghai, Shanghai Minhang. Wu Zhong Lu"; &nbSp;    string[] Splitaddress=address.split ("\ \");      system.out.println (splitaddress[0]+splitaddress[1]+splitaddress[2]+splitaddress[ 3]);            string address= "Shanghai ^ Shanghai ^ Minhang ^ Wu Zhong Lu";      string[] Splitaddress=address.split ("\\^");      System.out.println (splitaddress[0]+splitaddress[1]+splitaddress[2]+splitaddress[3]);               string address= "Shanghai @ Shanghai @ Minhang @ Wu Zhong Road";      string[] Splitaddress=address.split ("@");      system.out.println ( SPLITADDRESS[0]+SPLITADDRESS[1]+SPLITADDRESS[2]+SPLITADDRESS[3]);         string address= "Shanghai, Shanghai, Minhang, Wu Zhong Road";      string[] Splitaddress=address.split (",");      system.out.println (splitaddress[0]+splitaddress[1]+SPLITADDRESS[2]+SPLITADDRESS[3]);       "2" multiple symbols as separators        string address= "Shanghai ^ Shanghai @ Minhang # Wu Zhong Lu";      string[] Splitaddress=address.split ("\ \^|@|# ");      system.out.println (splitaddress[0]+splitaddress[1]+splitaddress[2]+ SPLITADDRESS[3]);      ***************************Formatting TipsString address = new String ("192.168.13.240");        string[] str = address.split ("\ \");        for (String s:str) {System.out.println (s); }output Format:19216813240system.out.println (Splitaddress[0]+splitaddress[1]+splitaddress[2]+splitaddress[3]);output Format:***************************************************************** Summary of Wuzhong Road, Minhang, Shanghai, Shanghai, China: (1) The split expression is actually a regular expression. *  ^ |          A symbol is a character in a regular expression that has a special meaning, and if used as a delimiter, it must be escaped with the escape character, \ \. (2) If multiple separators are used, you need to use | Symbols, as shown in "2", but the escape character needs to be added to the delimiter to be processed.

Java String.Split () the point of attention when splitting special characters