import java.util.regex.Pattern; import java.util.regex.Matcher; public class Main { public static void main(String[] args) { Pattern pattern = Pattern.compile("w3schools", Pattern.CASE_INSENSITIVE); Matcher matcher1 = pattern.matcher("W3Schools"); Matcher matcher2 = pattern.matcher("Visit W3Schools!"); System.out.println(matcher1.matches()); System.out.println(matcher2.matches()); } }