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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3. class Ideone {
  4. public static void main (String[] args) throws java.lang.Exception {
  5. final String regex = "\\b[A-Z]";
  6. final String string = "Asasd Asda sasdA Sda Asd asasd";
  7.  
  8. final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
  9. final Matcher matcher = pattern.matcher(string);
  10. int counter = 0;
  11. while (matcher.find()) {
  12. counter++;
  13. }
  14. System.out.println(counter);
  15. }
  16. }
Success #stdin #stdout 0.11s 33516KB
stdin
Standard input is empty
stdout
4