<?php
$matches = array();
var_dump(preg_match_all('/[^a-zA-Z0-9.-\s]+/', '[[-?)', $matches));
var_dump($matches);
- Output for 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
- Warning: preg_match_all(): Compilation failed: invalid range in character class at offset 15 in /in/WR976 on line 3
bool(false)
array(0) {
}
- Output for 7.3.12 - 7.3.33
- int(2)
array(1) {
[0]=>
array(2) {
[0]=>
string(1) "-"
[1]=>
string(1) ")"
}
}
- Output for 5.4.41 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33
- Warning: preg_match_all(): Compilation failed: invalid range in character class at offset 14 in /in/WR976 on line 3
bool(false)
array(0) {
}
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.40
- int(2)
array(1) {
[0]=>
array(2) {
[0]=>
string(2) "[["
[1]=>
string(2) "?)"
}
}
preferences:
236.87 ms | 403 KiB | 311 Q