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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.*;
  5.  
  6. class Ideone
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		String input = "Jim ate a [sandwich][ooh] with [pickles] and [dried [onions]] and ] [an[other] match] and more here";
  11. 		List<String> between_balanced =  getStrsBetweenBalancedSubstrings(input, '[', ']');
  12. 		System.out.println("Result: " + between_balanced);
  13. 	}
  14. 	public static List<String> getStrsBetweenBalancedSubstrings(String s, Character markStart, Character markEnd) {
  15. 		List<String> subTreeList = new ArrayList<String>();
  16. 		int level = 0;
  17. 		int lastCloseBracket= 0;
  18. 		for (int i = 0; i < s.length(); i++) {
  19. 			char c = s.charAt(i);
  20.     			if (c == markStart) {
  21.         				level++;
  22.         				if (level == 1) {
  23. 					if (i != 0 && i!=lastCloseBracket && !s.substring(lastCloseBracket, i).trim().isEmpty()) {
  24. 						subTreeList.add(s.substring(lastCloseBracket, i).trim());
  25. 					}
  26. 				}
  27. 			} else if (c == markEnd) {
  28. 				if (level > 0) { 
  29. 					level--;
  30. 					lastCloseBracket = i+1;
  31. 				}
  32.     			}
  33. 		}
  34. 		if (lastCloseBracket != s.length() && !s.substring(lastCloseBracket).trim().isEmpty()) {
  35. 			subTreeList.add(s.substring(lastCloseBracket).trim());	
  36. 		}
  37. 		return subTreeList;
  38. 	}
  39. }
Success #stdin #stdout 0.05s 27764KB
comments (?)
stdin 
Standard input is empty
stdout 
Result: [Jim ate a, with, and, and ], and more here]
https://ideone.com/QivuNp
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
secret

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