import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MainClass {
public static void main(String args[]) {
Pattern p = Pattern.compile("java", Pattern.CASE_INSENSITIVE);
String candidateString = "Java. java JAVA jAVA";
Matcher matcher = p.matcher(candidateString);
// display the latter match
System.out.println(candidateString);
matcher.find(11);
System.out.println(matcher.group());
// display the earlier match
System.out.println(candidateString);
matcher.find(0);
System.out.println(matcher.group());
}
}
/*
*/
Java. java JAVA jAVA
JAVA
Java. java JAVA jAVA
Java