<?php foreach (array( 'localpart.ending.with.dot.@example.com', '(comment)localpart@example.com', '"this is v@lid!"@example.com', '"much.more unusual"@example.com', 'postbox@com', 'admin@mailserver1', '"()<>[]:,;@\\"\\\\!#$%&\'*+-/=?^_`{}| ~.a"@example.org', '" "@example.org', ) as $address) { echo "<p>$address is <b>".(filter_var($address, FILTER_VALIDATE_EMAIL) ? '' : 'not')." valid</b></p>\n"; } ?>
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