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<?php $domainsToCheck = ["example3000.com", "m.example3000.com"]; function checkDomain($domain) { if (preg_match('/^([\p{L}\d\-]+)\.((?:[\p{L}\-]+\.?)+)$/ui', $domain, $m) === 1) { echo "{$domain} is good" . PHP_EOL; } else { echo "{$domain} is bad" . PHP_EOL; } } foreach ($domainsToCheck as $domain) { checkDomain($domain); }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.24, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
example3000.com is good m.example3000.com is bad
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/KdAMn on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/KdAMn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/KdAMn on line 3
Process exited with code 255.
preferences:
114.54 ms | 2418 KiB | 4 Q