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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.Matcher;
  5. import java.util.regex.Pattern;
  6.  
  7. class Ideone
  8. {
  9. 	public static void main (String[] args) throws java.lang.Exception
  10. 	{
  11. 		String s = "Today [#[#item#] was|the items were#] shipped so [#it is|they are#] gone.";
  12. 		System.out.println(convert(s, true));
  13. 		System.out.println(convert(s, false));
  14. 	}
  15.  
  16. 	public static String convert(String text, boolean isSingular) {
  17. 		Pattern spPattern = Pattern.compile("\\[#((?:\\[#.*?#]|(?!#])[^|])*?)\\|((?:\\[#.*?#]|(?!#])[^|])*?)#]");
  18. 		Matcher matcher = spPattern.matcher(text);
  19. 		while (matcher.find()) {
  20. 			String replacement = isSingular ? matcher.group(1) : matcher.group(2);
  21. 			text = matcher.replaceFirst(replacement);
  22. 			matcher = spPattern.matcher(text);
  23. 		}
  24. 		return text;
  25. 	}
  26. }
Success #stdin #stdout 0.1s 27920KB
comments (?)
stdin 
Standard input is empty
stdout 
Today [#item#] was shipped so it is gone.
Today the items were shipped so they are gone.
https://ideone.com/0nBHFb
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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