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正则表达式中的特殊字符

正则表达式中常用的特殊字符包括： 1. ^ : 匹配输入字符串的开始位置 2. $ : 匹配输入字符串的结束位置 3. . : 匹配除换行符外的任意字符 4. * : 匹配前面的字符零个或多个 5. + : 匹配前面的字符一次或多次 6. ? : 匹配前面的字符零次或一次 7. [] : 匹配字符集中的任意一个字符 8. [^] : 匹配不在字符集中的任意一个字符 9. () : 分组，可以使用 | 或者 () 来构造复杂的正则表达式 10. \ : 转义字符，可以将特殊字符转义为普通字符以上是常见的特殊字符，不同的编程语言和正则表达式引擎可能会有略微的差异。

Public @ 2023-04-25 19:00:14

宝塔7.4 建站流程

威海网站建设威海宝塔
3036

我司默认宝塔面板登录地址是 http://ip:8887/btwest/,账号cproot 密码是初始密码，在服务器资料管理中查看1、登录宝塔面板image.png2、登陆以后点击创建站点，填写好域名信息，这里以baidu举例。image.pngimage.png3、基本上网站就创建好了下面可以通过创建的FTP上传程序和数据库，其他一些设置可以根据实际需求开启，若有问题，请联系客服或者提交工单。其

Public @ 2011-04-14 16:13:53

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

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. 匹配手机号码 ^1[3456789]\d{9}$ 3. 匹配 URL ^(http|https)://[a-zA-Z0-9]+\.[a-zA-Z]+(/[a-zA-Z0-9]+)*$ 4. 匹配身份证号码 ^[1-9]\d{5}(

Public @ 2023-04-10 08:50:39

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

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[ DB ] CONNECT:[ UseTime:0.020772s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.014658s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.013926s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.014554s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.013910s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016259s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7751 LIMIT 1 [ RunTime:0.014813s ]
[ 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:0.014366s ]
[ 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:0.014737s ]
[ 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:0.014950s ]
[ 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` = 7751 LIMIT 1 [ RunTime:0.013960s ]
[ 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+1 where id=7751 [ RunTime:0.016691s ]
[ 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:0.021222s ]
[ 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:0.042688s ]
[ 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:0.021201s ]
[ 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:0.032039s ]
[ 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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