import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Main {
public static void main(String args[]) {
String candidateString = "This is a test. This is another test";
Pattern p = Pattern.compile("test");
Matcher matcher = p.matcher(candidateString);
// Find the starting point of the first 'test'
matcher.find();
int startIndex = matcher.start();
System.out.println(candidateString);
System.out.println(startIndex);
// Find the starting point of the second 'test'
matcher.find();
int nextIndex = matcher.start();
System.out.println(candidateString);
System.out.println(nextIndex);
}
}