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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 7.1.0 - 7.1.21, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
<pre>Array ( [0] => 11.2 [1] => 1.1 [2] => 2 [3] => 3 [4] => 3.1 [5] => 33 )
preferences:
136.02 ms | 408 KiB | 5 Q