preg_match(): Compilation failed: character value in \x{} or \o{} is too large at offset 8
如果用正则筛选中文的时候,需要在规则后面添加字符u,表示使用utf8编码去解析$reg='/[\x{4e00}-\x{9fa5}]/u';例如:$reg='/[\x{4e00}-\x{9fa5}]/u';$str='我爱你中国';preg_match($reg,$str,$match1);preg_match_all($reg,$str,$match2);echo'';var_dump($matc