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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. /* 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 patternString = "^(?=[^B]*+B)(?=[^T]*+T)(?=[^L]*+L)";
  13. String[] dictionary = {"AL", "BAL", "BAK", "LABAT", "TAL", "LAT", "BALAT", "LA", "AB", "LATAB", "TAB"};
  14. for (int i=0; i<dictionary.length; i++)
  15. {
  16. Pattern p = Pattern.compile(patternString);
  17. Matcher m = p.matcher(dictionary[i]);
  18. if(m.find())
  19. {
  20. System.out.println("Match: " + dictionary[i]);
  21. }
  22. }
  23.  
  24. }
  25. }
Success #stdin #stdout 0.1s 320512KB
stdin
Standard input is empty
stdout
Match: LABAT
Match: BALAT
Match: LATAB