<?php
// initial position
var_dump(preg_match('#/search/(?P<mac>(?:[[:xdigit:]]{2}([-:]))(?:[[:xdigit:]]{2}\2){4}[[:xdigit:]]{2})#', '/search/12-12-12-12-12-12', $matches));
var_dump($matches);
// named subpattern
var_dump(preg_match('#/search/(?P<mac>(?:[[:xdigit:]]{2}(?P<sep>[-:]))(?:[[:xdigit:]]{2}\2){4}[[:xdigit:]]{2})#', '/search/12-12-12-12-12-12', $matches));
var_dump($matches);
// impossible to fix in general
var_dump(preg_match('#/(?P<id>\d+)/(?P<mac>(?:[[:xdigit:]]{2}([-:]))(?:[[:xdigit:]]{2}\3){4}[[:xdigit:]]{2})#', '/555/12-12-12-12-12-12', $matches));
var_dump($matches);
//fix
var_dump(preg_match('#((?:[[:xdigit:]]{2}([-:]))(?:[[:xdigit:]]{2}\2){4}[[:xdigit:]]{2})#', '12-12-12-12-12-12', $matches));
var_dump($matches);
// problem
//var_dump(preg_match('#(?:[[:xdigit:]]{2}([-:]))(?:[[:xdigit:]]{2}\2){4}[[:xdigit:]]{2}#', '12-12-12-12-12-12', $matches));
//var_dump($matches);
- Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.22, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- int(1)
array(4) {
[0]=>
string(25) "/search/12-12-12-12-12-12"
["mac"]=>
string(17) "12-12-12-12-12-12"
[1]=>
string(17) "12-12-12-12-12-12"
[2]=>
string(1) "-"
}
int(1)
array(5) {
[0]=>
string(25) "/search/12-12-12-12-12-12"
["mac"]=>
string(17) "12-12-12-12-12-12"
[1]=>
string(17) "12-12-12-12-12-12"
["sep"]=>
string(1) "-"
[2]=>
string(1) "-"
}
int(1)
array(6) {
[0]=>
string(22) "/555/12-12-12-12-12-12"
["id"]=>
string(3) "555"
[1]=>
string(3) "555"
["mac"]=>
string(17) "12-12-12-12-12-12"
[2]=>
string(17) "12-12-12-12-12-12"
[3]=>
string(1) "-"
}
int(1)
array(3) {
[0]=>
string(17) "12-12-12-12-12-12"
[1]=>
string(17) "12-12-12-12-12-12"
[2]=>
string(1) "-"
}
- Output for 5.1.0
- Fatal error: fatal flex scanner internal error--end of buffer missed in /in/1A1UZ on line 24
Process exited with code 255. - Output for 4.3.0 - 4.3.2
- int(1)
array(3) {
[0]=>
string(25) "/search/12-12-12-12-12-12"
[1]=>
string(17) "12-12-12-12-12-12"
[2]=>
string(1) "-"
}
int(1)
array(3) {
[0]=>
string(25) "/search/12-12-12-12-12-12"
[1]=>
string(17) "12-12-12-12-12-12"
[2]=>
string(1) "-"
}
int(1)
array(4) {
[0]=>
string(22) "/555/12-12-12-12-12-12"
[1]=>
string(3) "555"
[2]=>
string(17) "12-12-12-12-12-12"
[3]=>
string(1) "-"
}
int(1)
array(3) {
[0]=>
string(17) "12-12-12-12-12-12"
[1]=>
string(17) "12-12-12-12-12-12"
[2]=>
string(1) "-"
}
preferences:
251.7 ms | 402 KiB | 389 Q