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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.Matcher;
  7. import java.util.regex.Pattern;
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. public static void main (String[] args) throws java.lang.Exception
  12. {
  13. String in ="i have a male cat. the color of male cat is Black";
  14. int i=0;
  15. Pattern p = Pattern.compile("male cat");
  16. Matcher m = p.matcher(in);
  17. while (m.find()) {
  18. i++;
  19.  
  20. }
  21. System.out.println(i);
  22.  
  23. }
  24. }
Success #stdin #stdout 0.07s 380224KB
stdin
Standard input is empty
stdout
2