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run code in 300+ PHP versions simultaneously
<?php $s = '<iframe ><embed boowidth=222>fdgwidth=700dfg</embed>sfsdfsdf</iframe>'; $matches = array(); var_dump( preg_replace('~(.*<[^>]+\swidth=["\']?)(\d+)(["\']?[^>]*>.*)~', '${1}---${3}', $s) );

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36.62 ms | 402 KiB | 5 Q