Are there alternative methods for email validation in PHP that may be easier to understand?

Email validation in PHP can be achieved using built-in functions like filter_var with the FILTER_VALIDATE_EMAIL flag. Another alternative method is using regular expressions to validate email addresses. Regular expressions offer more flexibility in customizing the validation rules. 

$email = "example@example.com";

if (filter_var($email, FILTER_VALIDATE_EMAIL)) {
    echo "Valid email address";
} else {
    echo "Invalid email address";
}

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email validation PHP alternative methods easier to understand libraries

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