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 | Pattern.MULTILINE);
Matcher m = p.matcher("java has regex\nJava has regex\n"
+ "JAVA has pretty good regular expressions\n" + "Regular expressions are in Java");
while (m.find())
System.out.println(m.group());
}
}
/*
*/
java
Java
JAVA