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@ 2013-09-12T08:59:18Z

<?php
$urlKey = 'dfbhkjdsfhsdkfkj-7348238.html';
            $oldUrlKey = null;
            if (preg_match('/^.*-[0-9]+(-[0-9]+)\.html$/', $urlKey, $matches)) {
                $oldUrlKey = str_replace($matches[1], '', $urlKey);
            }
echo $urlKey;
echo PHP_EOL .$oldUrlKey;

Output
Performance
VLD
References
Branches

preg_match: documentation ( source)
str_replace: documentation ( source)

preferences:dark modelive preview

35.72 ms | 402 KiB | 5 Q