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@ 2014-10-23T13:16:37Z

<?php
$code = "CFnoso2015DENS";
$regex = "/^(CFnoso2015)[A-Z]{2}(NS)$/";
echo preg_match($regex, $code) === 1;

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preg_match: documentation ( source)

preferences:dark modelive preview

46.58 ms | 402 KiB | 5 Q