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<?php $route = 'Днепропетровск - Киев №89'; var_dump( preg_match('/[A-Za-zА-Яа-я0-9\№\s\-\.\,]{4,512}/', $route); );
Output for 5.3.0 - 5.3.24, 5.4.0 - 5.4.14
Parse error: syntax error, unexpected ';' in /in/ruD22 on line 4
Process exited with code 255.
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172.98 ms | 1395 KiB | 47 Q