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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4.  
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		String someString = "{{[cc(c)ggg]}ssss}";
  10. 		String result = someString.replaceAll("[^(){}\\]\\[]+", "");
  11. 		System.out.println(result);
  12.  
  13. 	}
  14. }
Success #stdin #stdout 0.07s 2184192KB
comments (?)
stdin 
Standard input is empty
stdout 
{{[()]}}
https://ideone.com/hh6dbb
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
secret

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