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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		String s = "ex1 , [ex2 , ex3 ] , [ hh3 , rt5 , w3 [ bn7 ] ] , ex 4 , ex 4, [ex , ex ]";
  13. 		List<String> res = splitWithCommaOutsideBrackets(s);
  14. 		for (String t: res) {
  15. 			System.out.println(t);
  16. 		}
  17. 	}
  18.  
  19. 	public static List<String> splitWithCommaOutsideBrackets(String input) {
  20. 	    int BracketCount = 0;
  21. 	    int start = 0;
  22. 	    List<String> result = new ArrayList<>();
  23. 	    for(int i=0; i<input.length(); i++) {
  24. 	        switch(input.charAt(i)) {
  25. 	        case ',':
  26. 	            if(BracketCount == 0) {
  27. 	                result.add(input.substring(start, i).trim());
  28. 	                start = i+1;
  29. 	            }
  30. 	            break;
  31. 	        case '[':
  32. 	            BracketCount++;
  33. 	            break;
  34. 	        case ']':
  35. 	            BracketCount--;
  36. 	            if(BracketCount < 0) 
  37. 	                return result; // The BracketCount shows the [ and ] number is unbalanced
  38. 	            break;
  39. 	        }
  40. 	    }
  41. 	    if(BracketCount > 0)
  42. 	        return result; // Missing closing ]
  43. 	    result.add(input.substring(start).trim());
  44. 	    return result;
  45. 	}
  46. }
Success #stdin #stdout 0.09s 320576KB
comments (?)
stdin 
Standard input is empty
stdout 
ex1
[ex2 , ex3 ]
[ hh3 , rt5 , w3 [ bn7 ] ]
ex 4
ex 4
[ex , ex ]
https://ideone.com/Z2c85b
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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