Splitting a Java String by the pipe symbol using split

Question

The Java official documentation states   The string  boo and foo   for example  yields the following results with these expressions  Regex   Result          boo    and    foo       And that s the way I need it to work  However  if I run this   public static void main String   args           String test    A B C  D            String   result   test split                for String s   result               System out println   gt   s   lt                       it prints    gt  lt   gt A lt   gt   lt   gt B lt   gt   lt   gt C lt   gt   lt   gt   lt   gt D lt    Which is far from what I would expect    gt A lt   gt B lt   gt C lt   gt  lt   gt D lt    Why is this happening

User · Accepted Answer

You need   test split           split uses regular expression and in regex   is a metacharacter representing the OR operator  You need to escape that character using    written in String as      since   is also a metacharacter in String literals and require another   to escape it    You can also use   test split Pattern quote          and let Pattern quote create the escaped version of the regex representing

User · Answer

Use proper escaping  string split         Or  in Java 5   use the helper Pattern quote   which has been created for exactly this purpose    string split Pattern quote         which works with arbitrary input strings  Very useful when you need to quote   escape user input

User · Answer

Use this code   public static void main String   args        String test    A B C  D        String   result   test split              for  String s   result            System out println   gt     s     lt

User · Answer

You can also use  split           I used this instead of  split         which didn t work for me

User · Answer

test split       999     Specifing a limit or max will be accurate for examples like   boo   a  or    boo   or         But  test split         will return different length strings arrays for the same examples   use reference  link

User · Answer

You could also use the apache library and do this   StringUtils split test

User · Answer

the split   method takes a regular expression as an argument

[java] Splitting a Java String by the pipe symbol using split("|")

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