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<?php echo (int)!preg_match('/[a-z0-9:;,!\'\s*.?()"-]/im', '@3'); //проверка отсуствия разрешенных символов echo (int)!preg_match('/^[a-z0-9:;,!\'\s*.?()"-]$/im', '3a'); //проверка наличия запрещенных символов
Output for git.master, git.master_jit, rfc.property-hooks
01

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