email validation in android java code example

Example 1: email valid android

public static boolean isValidEmail(CharSequence target) {
    return (!TextUtils.isEmpty(target) && Patterns.EMAIL_ADDRESS.matcher(target).matches());
}

Example 2: validate email in android

String emailPattern = "[a-zA-Z0-9._-]+@[a-z]+\\.+[a-z]+";


if (_______.matches(emailPattern)) {
            regfullname.setError("invalid email adress");
            return false;


        }