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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3.  
  4.  
  5. class Test {
  6.  
  7. 	public static void main(String[] args) {
  8. 		String literalPattern = Pattern.quote("\\[({.*})]"); 
  9. 		Pattern p = Pattern.compile(literalPattern);
  10. 		System.out.println(p.toString()); //debug
  11. 		Matcher m = p.matcher("[{po{t[a]}to}];");
  12. 		boolean found = m.find();
  13. 		if(found)
  14. 			System.out.println(m.group(2));
  15. 			// expect: {po{t[a]}to}
  16. 		else
  17. 		{
  18. 			System.out.println("no matches found");
  19. 			System.out.println(m.toString());
  20. 		}
  21.  
  22. 	}
  23.  
  24. }
  25.  
Success #stdin #stdout 0.1s 320320KB
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stdin
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Standard input is empty
stdout
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\Q\[({.*})]\E
no matches found
java.util.regex.Matcher[pattern=\Q\[({.*})]\E region=0,15 lastmatch=]
https://ideone.com/AxK6S7
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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