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<?php $re = '~(?=(/\d+/))~m'; $str = 'https://somesite.com/0/posts/20/290/755653-Title.html'; preg_match_all($re, $str, $matches); print_r($matches[1]);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => /0/ [1] => /20/ [2] => /290/ )

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