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经典正则表达式

（1）验证邮箱： ^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$ （2）验证身份证： ^\d{15}|\d{18}$ （3）验证电话号码： ^0\d{2,3}-\d{5,9}$

Public @ 2023-03-02 12:48:07

虚拟主机常见问题解答

虚拟主机问题1. 什么是虚拟主机?答：虚拟主机是在网络服务器上分出一定的磁盘空间供用户放置站点、应用组件等，提供必要的站点功能、数据存放和传输功能。所谓虚拟主机，也叫“网站空间”，就是把一台运行在互联网上的服务器划分成多个“虚拟”的服务器，每一个虚拟主机都具有独立的域名和完整的Internet服务器（支持WWW、FTP等）功能。2. 虚拟主机是否有独立的IP地址?答：虚拟主机用户没有独立的IP

Public @ 2011-02-14 15:45:45

网站设计需要掌握的基本SEO技巧

以下是网站设计需要掌握的基本SEO技巧： 1. 确定关键词：在网站设计过程中，首先需要确定与网站主题相关的关键词。这些关键词将被用于内容的优化和网站的标签设置。 2. 使用合适的标题标签：每个网页应该有一个明确的标题，并使用合适的标题标签（如H1，H2等）进行标记。这有助于搜索引擎了解网页的主题，并提高网页在搜索结果中的排名。 3. 构建友好的URL结构：网站的URL结构应该是简洁和易读的，

Public @ 2023-07-21 08:00:53

经典正则表达式

（1）验证邮箱： ^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$ （2）验证身份证： ^\d{15}|\d{18}$ （3）验证电话号码： ^0\d{2,3}-\d{5,9}$

Public @ 2023-03-02 12:48:07

经典正则表达式

以下是一些经典的正则表达式： 1. 匹配邮箱地址： ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$ 2. 匹配电话号码： ^(?:\(\d{3}\)|\d{3})[- ]?\d{3}[- ]?\d{4}$ 3. 匹配 IP 地址： ^([01]?\d\d?|2[0-4]\d|25[0-5])\.([01]?\d\d?|2[0-4]\d|

Public @ 2023-04-23 15:50:16

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.023470s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016712s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6163 LIMIT 1 [ RunTime:0.016005s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.016116s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.016190s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.019876s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6163 LIMIT 1 [ RunTime:0.015853s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=6163 [ RunTime:0.017005s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.022757s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.044659s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海正则表达式' AND `status` <> -1 LIMIT 1 [ RunTime:0.023098s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海正则表达式' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.031283s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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