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@ 2017-11-13T11:22:38Z

<?php
$mail = "pietjepuk+werk@gmail.com";
if (filter_var($mail, FILTER_VALIDATE_EMAIL)) {
    echo 'VALID';
} else {
    echo 'NOT VALID';
}

if(preg_match("/^[A-Za-z0-9\_.-]+@[A-Za-z0-9\_-]+.[A-Za-z0-9\_-]+.*/",$mail)) {
    echo 'VALID';
} else {
    echo 'NOT VALID';
}

Output
Performance
VLD
References
Branches

preg_match: documentation ( source)
filter_var: documentation ( source)

preferences:dark modelive preview

29.63 ms | 402 KiB | 5 Q