email validation in android code example

Example 1: android is valid email

import android.util.Patterns

val email: String = "[email protected]"

private fun String.isValidEmail(): Boolean {
	return Patterns.EMAIL_ADDRESS.matcher(this).matches()
}

email.isValidEmail()

Example 2: email valid android

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

Example 3: validate email in android

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


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


        }