$re = '/(?:(?P<Port>\w+(?:(?:[\/]\d)?)+(?:(?:[.]\d)?)+)\s+(?P<Name>[\w_\/]+)?\s+(?P<Status>\w+)\s+(?P<Vlan>\w+)\s+(?P<Duplex>\w+)\s+(?P<Speed>\w+)\s+(?P<Type>[\w\-]+)(?:\s+)?)/m';
$str = 'Port Name Status Vlan Duplex Speed Type
Te1/1.5 disabled 1 full 10G 10Gbase-LX4
Te1/2 disabled 1 full 10G 10Gbase-LX4
Te1/3 disabled 1 full 10G 10Gbase-LR
Te1/4 disabled 1 full 10G 10Gbase-LX4
Gi2/1 ES1SW70AUN2_1/2/12 connected trunk full 1000 1000BaseSX
Gi2/2 ES1SW70AUN2_2/2/12 connected trunk full 1000 1000BaseSX
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php