Php: obtains the string between two strings in a string.

Php: obtain the string between two strings in a string. br-lan Link encap: Ethernet HWaddr F0: B4: 29: 55: 6C: 2E
Inet addr: 192.168.8.9 Bcast: 192.168.8.255 Mask: 255.255.255.0
Inet6 addr: fdc1: b4aa: 57ba: 1/60 Scope: Global
Inet6 addr: fe80: f2b4: 29ff: fe55: 6c2e/64 Scope: Link
Inet6 addr: fd7b: 7c0f: 5360: 4: 1/62 Scope: Global
Up broadcast running multicast mtu: 1500 Metric: 1
RX packets: 6135 errors: 0 dropped: 0 overruns: 0 frame: 0
TX packets: 7308 errors: 0 dropped: 0 overruns: 0 carrier: 0
Collisions: 0 txqueuelen: 0
RX bytes: 774045 (755.9 KiB) TX bytes: 2084983 (1.9 MiB)

// In the above string, I want to retrieve the IP address between inet addr: 192.168.8.9 Bcast. how can I write the php regular expression? Thank you.
// $ Return_array is the preceding string array.

foreach ( $return_array as $value ){//if ( preg_match( "/inet addr:/i", $value, $temp_array) )if ( preg_match("\binet addr:\b.*\bBcast\b", $value, $temp_array) ){echo '

';print_r($temp_array);//var_dump( $temp_array );}}

Reply to discussion (solution)

Up, online, etc.

If (preg_match ("[0-9] {1, 3} [.] [0-9] {1, 3} [.] [0-9] {1, 3} [.] [0-9] {1, 3} ", $ value, $ temp_array) // in the code, this line has an error. use a tool to test OK. {echo'

'; // Print_r ($ temp_array); var_dump ($ temp_array );}

// \b[0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}\b//if (preg_match("/\b[0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}\b/", $value, $temp_array))if (preg_match("/[0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}[.][0-9]{1,3}/", $value, $temp_array)) // OK{echo '

';//print_r($temp_array);var_dump( $temp_array );}

if ( preg_match("/inet addr:(.+?)\s+Bcast:/", $value, $temp_array) )    {        echo '

';        print_r($temp_array);        //var_dump( $temp_array );    }

$s =<<< TXTbr-lan    Link encap:Ethernet  HWaddr F0:B4:29:55:6C:2E            inet addr:192.168.8.9  Bcast:192.168.8.255  Mask:255.255.255.0          inet6 addr: fdc1:b4aa:57ba::1/60 Scope:Global          inet6 addr: fe80::f2b4:29ff:fe55:6c2e/64 Scope:Link          inet6 addr: fd7b:7c0f:5360:4::1/62 Scope:Global          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1          RX packets:6135 errors:0 dropped:0 overruns:0 frame:0          TX packets:7308 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:0           RX bytes:774045 (755.9 KiB)  TX bytes:2084983 (1.9 MiB)TXT;preg_match('/(?<=addr:)[.\d]+/', $s, $m);echo $m[0];

192.168.8.9