Online PHP editor | refs for Fe7od

<?php $conf = <<<EOF #DHCP Server Configuration file. deny unknown-clients; subnet 10.8.140.2 netmask 255.255.255.255 { host example{ optian:param; } host example2{ option2:param2; } } subnet 20.8.110.1 netmask 255.255.255.255 { } EOF; $pattern = '/(subnet.*?)*\{((?>[^{}]+)|(?R))*\}/'; preg_match_all($pattern, $conf, $matches); foreach($matches[0] as $match) { echo "$match\n\n"; }