PHP regular expression

/ 49265909/album/11501536/
how to write regular to extract the above 11501536? The regular level is relatively poor, which god will take a look at it? Thank you here

Php
Mar.17,2022

/album\/(\d*)/

preg_match_all('/album\/(\d*)/', '/49265909/album/11501536/', $result);
$targetStr = $result[1];
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