import java.util.regex.Matcher;
import java.util.regex.Pattern;
class Utils {
// isValidEmailAddress: Check the email address is OK
public static boolean isValidEmailAddress(String emailAddress) {
String emailRegEx;
Pattern pattern;
// Regex for a valid email address
emailRegEx = "^[A-Za-z0-9._%+\\-]+@[A-Za-z0-9.\\-]+\\.[A-Za-z]{2,4}$";
// Compare the regex with the email address
pattern = Pattern.compile(emailRegEx);
Matcher matcher = pattern.matcher(emailAddress);
if (!matcher.find()) {
return false;
}
return true;
}
}