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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. import java.util.regex.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	static final Pattern NUM_TITLE = Pattern.compile("F\\{([\\d\\s&]*)\\}#\\{([\\s\\w&]*)\\}");
  12. 	//compile once 
  13. 	public static void main (String[] args) throws java.lang.Exception
  14. 	{
  15. 		String [] test = {"F{403}#{Title1}", 
  16. 		                  "F{}#{}", // will be matched because you use *
  17. 		                  "F{123123 2312321}#{asdasd sdads	www}", 
  18. 		                  "F{123123 2312321}#{asdasd sdads	&&www}", 
  19. 		                          };
  20. 		for(String subjectString : test){
  21. 	    	Matcher regexMatcher = NUM_TITLE.matcher(subjectString);
  22. 	    	if (regexMatcher.find()) {
  23. 		    	System.out.println("Num: " + regexMatcher.group(1) + " Title: " + regexMatcher.group(2));
  24. 	    	}
  25. 	    }
  26. 	}
  27. }
Success #stdin #stdout 0.07s 380160KB
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stdin
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Standard input is empty
stdout
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Num: 403 Title: Title1
Num:  Title: 
Num: 123123 2312321 Title: asdasd sdads	www
Num: 123123 2312321 Title: asdasd sdads	&&www
https://ideone.com/KoEF8W
language:
Java (12.0.1)
created:
10 years ago
visibility:
secret

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