import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class ReluctantExample {
public static void main(String args[]) {
String regex = "(\\d+?)";
Pattern pattern = Pattern.compile(regex);
String candidate = "1234";
Matcher matcher = pattern.matcher(candidate);
while (matcher.find()) {
System.out.println(matcher.group());
}
System.out.println("Done");
}
}