import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class SimpleSubGroupExample {
public static void main(String args[]) {
Pattern p = Pattern.compile("\\w(\\d)");
String candidate = "J9 is my favorite";
Matcher matcher = p.matcher(candidate);
if (matcher.find()) {
String tmp = matcher.group(0);
System.out.println(tmp);
tmp = matcher.group(1);
System.out.println(tmp);
}
}
}