import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Main {
public static void main(String[] args) {
Pattern pattern = Pattern.compile("cankaoshouce", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher("Visit Cankaoshouce!");
boolean matchFound = matcher.find();
if(matchFound) {
System.out.println("Match found");
} else {
System.out.println("Match not found");
}
}
}