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<?php $string = '<tag> etc</tag> <p numbers="11.2,1.1 2,3,3.1 33"></p> <div> etc</div>'; preg_match('/<p.*numbers="(.*)"/', $string, $match); preg_match_all('/(\d+(\.?|\s?)(\d+)?)/', $match[0], $matches); echo '<pre>'; print_r($matches[0]);
Output for git.master, git.master_jit, rfc.property-hooks
<pre>Array ( [0] => 11.2 [1] => 1.1 [2] => 2 [3] => 3 [4] => 3.1 [5] => 33 )

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