Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

r"
"
gm

Test String

Code Generator

Language

Generated Code

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"<img\s+[\S\"'= ]{0,40}src=[\"'](?P<src>(http(s)?:)?\/\/[^\":>]+)[\"']?" test_str = ("\n" "<!DOCTYPE html>\n" "<html lang=\"zh-cn\">\n" "<head>\n" " <meta charset=\"utf-8\" />\n" " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" " <meta name=\"referrer\" content=\"always\" />\n" " <title>博客园 - 代码改变世界</title>\n" " <meta name=\"keywords\" content=\"开发者,博客园,开发者,程序猿,程序媛,极客,编程,代码,开源,IT网站,Developer,Programmer,Coder,Geek,技术社区\" />\n" " <meta name=\"description\" content=\"博客园是一个面向开发者的知识分享社区。自创建以来，博客园一直致力并专注于为开发者打造一个纯净的技术交流社区，推动并帮助开发者通过互联网分享知识，从而让更多开发者从中受益。博客园的使命是帮助开发者用代码改变世界。\" />\n" " <link rel=\"shortcut icon\" href=\"//common.cnblogs.com/favicon.ico\" type=\"image/x-icon\" />\n" " <link rel=\"Stylesheet\" type=\"text/css\" href=\"/bundles/aggsite.css?v=IlEZk4Ic2eCzcO6r0s4bGm62FAo8VZI-US_0EqUe2Bk1\" />\n" " <link id=\"RSSLink\" title=\"RSS\" type=\"application/rss+xml\" rel=\"alternate\" href=\"http://feed.cnblogs.com/blog/sitehome/rss\" />\n" " <script src=\"//common.cnblogs.com/scripts/jquery-2.2.0.min.js\" type=\"text/javascript\"></script>\n" " <script src=\"/bundles/aggsite.js?v=wbLJNoxRMOKXYku3zcNQAABkHSQLwHZ_hyKZv8KPN1Y1\" type=\"text/javascript\"></script>\n" " <script async='async' src='https://www.googletagservices.com/tag/js/gpt.js'></script>\n" " <script>\n" " var googletag = googletag || {};\n" " googletag.cmd = googletag.cmd || [];\n" " </script>\n\n" " <script>\n" " googletag.cmd.push(function () {\n" " googletag.defineSlot('/1090369/A1', [468, 60], 'div-gpt-ad-1547816814884-0').addService(googletag.pubads());\n" " googletag.defineSlot('/1090369/B1', [300, 250], 'div-gpt-ad-1546331539224-0').addService(googletag.pubads());\n" " googletag.defineSlot('/1090369/B2', [300, 250], 'div-gpt-ad-1539007469525-0').addService(googletag.pubads());\n" " googletag.defineSlot('/1090369/B3', [300, 250], 'div-gpt-ad-1546331252242-0').addService(googletag.pubads());\n" " googletag.defineSlot('/1090369/B4', [300, 250], 'div-gpt-ad-1546331385104-0').addService(googletag.pubads());\n" " googletag.pubads().enableSingleRequest();\n" " googletag.enableServices();\n" " });\n" " </script>\n" "</head>\n" "<body>\n" " <div id=\"wrapper\">\n" " <div id=\"hd_info\">\n" " <div id=\"cnts\">\n" " <div id=\"site_nav_top\">代码改变世界</div>\n" " <div id=\"login_area\"><span id=\"span_userinfo\"></span></div>\n" " <div class=\"clear\"></div>\n" " </div>\n" " </div>\n" " <div id=\"header\">\n" " <p class=\"h_r_3\"></p><p class=\"h_r_2\"></p><p class=\"h_r_1\"></p>\n" " <div id=\"header_block\">\n" " <div id=\"logo\">\n" " <h1>\n" " <a href=\"https://www.cnblogs.com/\" title=\"开发者的网上家园\"><img src=\"/images/logo_small.gif\" alt=\"博客园Logo\" width=\"142\" height=\"55\" /></a>\n" " </h1>\n" " </div>\n\n" " <div class=\"clear\"></div>\n" " </div>\n" " <p class=\"h_r_1\"></p><p class=\"h_r_2\"></p><p class=\"h_r_3\"></p>\n" " </div>\n" " <div id=\"nav_menu\"><a href=\"https://home.cnblogs.com/\">园子</a><a href=\"https://news.cnblogs.com\">新闻</a><a href=\"https://q.cnblogs.com/\">博问</a><a href=\"https://ing.cnblogs.com/\">闪存</a><a href=\"https://group.cnblogs.com/\">小组</a><a href=\"https://wz.cnblogs.com/\">收藏</a><a href=\"https://job.cnblogs.com/\">招聘</a><a href=\"https://edu.cnblogs.com/\">班级</a><a href=\"http://zzk.cnblogs.com/\">找找看</a></div>\n" " <div id=\"main\">\n" " <div class=\"post_nav_block_wrapper\">\n" " <ul class=\"post_nav_block\">\n" " <li><a href=\"/\" class=\"current_nav\" >首页</a></li>\n" " <li><a href=\"/pick/\" title=\"编辑精选博文\">精华</a></li>\n" " <li><a href=\"/candidate/\" title=\"候选区的博文\">候选</a></li>\n" " <li><a href=\"/news/\" title=\"新闻频道最新新闻\">新闻</a></li>\n" " <li><a href=\"/following\" title=\"我关注博客的最新博文\">关注</a></li>\n" " <li><a href=\"/aggsite/mycommented\" title=\"我评论过的博文\">我评</a></li>\n" " <li><a href=\"/aggsite/mydigged\" title=\"我推荐过的博文\">我赞</a></li>\n" " </ul>\n" " <div class=\"clear\"></div>\n" " </div>\n" " <div class=\"rss_link\" id=\"rss_block\">\n" "<span id=\"posts_refresh_tips\"></span><a id=\"posts_refresh\" href=\"#\" class=\"refresh\" title=\"刷新博文列表\" onclick=\"aggSite.loadCategoryPostList();return false\">刷新</a> <a href=\"http://feed.cnblogs.com/blog/sitehome/rss\"><img src=\"//common.cnblogs.com/images/icon_rss.gif\" alt=\"点击订阅\" style=\"position:relative;top:2px;\" title=\"订阅博客园文章\" /></a> </div>\n" " <div id=\"headline_block\" class=\"headline\"><ul><li class=\"editor_pick\"><a href=\"https://www.cnblogs.com/Zachary-Fan/p/bugwhy.html\" id=\"editor_pick_lnk\" target=\"_blank\">【编辑推荐】为啥程序会有bug？<span id=\"editor_pick_count\"></span></a> <a href=\"/aggsite/headline\" title=\"查看更多编辑推荐\" class=\"right_more\">»</a></li><li><a href=\"https://www.cnblogs.com/51core/p/10613536.html\" target=\"_blank\" title=\"阅读1632, 评论14, 推荐27\">[最多推荐]基于Asp.Net Core的简单社区项目源代码开源(14/1632)</a> <a href=\"/aggsite/topdigged24h\" title=\"查看24小时推荐排行\" class=\"right_more\">»</a></li><li><a href=\"https://www.cnblogs.com/edison0621/p/10616738.html\" target=\"_blank\" title=\"阅读1192, 评论14, 推荐10\">[最多评论]【春华秋实】.NET Core之只是多看了你一眼(14/1192)</a> <a href=\"/aggsite/topcommented24h\" title=\"查看24小时评论排行\" class=\"right_more\">»</a></li><li><a href=\"https://news.cnblogs.com/n/622870/\" target=\"_blank\" title=\"阅读2627, 评论9, 推荐7\">[新闻头条]硬核老奶奶：81岁自学编程 半年时间开发上架一款App(9/2627)</a> <a href=\"https://news.cnblogs.com/\" title=\"查看更多新闻\" class=\"right_more\">»</a></li><li><a href=\"https://news.cnblogs.com/n/622930/\" target=\"_blank\" title=\"阅读809, 评论6, 推荐4\">[推荐新闻]民营运载火箭发射再失败，“中国马斯克”之困(6/809)</a> <a href=\"https://news.cnblogs.com/n/recommend\" title=\"查看更多推荐新闻\" class=\"right_more\">»</a></li></ul></div>\n\n" " \n\n" " \n" " <div id=\"pager_top\" style=\"display:none\"></div>\n" " <div id=\"post_list_tips\" class=\"hide\"></div>\n" " \n" " <div id=\"post_list\">\n" " \n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('xuelongqy',10619304,276495,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10619304\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10619304\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/xuelongqy/p/10619304.html\" target=\"_blank\">Vue上拉加载下拉刷新---vue-easyrefresh</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/xuelongqy/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/801420/20151121115426.png\" alt=\"\"/></a> vue easyrefresh简介 正如名字一样，EasyRefresh很容易就能在基于Vue的Web应用上实现下拉刷新以及上拉加载操作，支持主流的PC和移动浏览器。它的功能灵感来源于与Android的SmartRefreshLayout，同样也吸取了很多三方库的优点。EasyRefresh中集成了 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/xuelongqy/\" class=\"lightblue\">青忆qingyi</a> \n" " 发布于 2019-03-29 09:40 \n" " <span class=\"article_comment\"><a 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class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/mfrank/p/10619263.html\" target=\"_blank\">【效率工具】史上最好用的SSH一键登录脚本，超强更新！</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/mfrank/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1043143/20180825173331.png\" alt=\"\"/></a> 说明 虽然已经是凌晨，但丝毫不能掩盖我激动的心情，今天完成了对GotoSSH的一次大更新，新增了两个肥肠实用的功能，我只能说，是真的好用，话不多说，先来看效果图： 普通的一键登录： 一键登录跳板机，然后跳转登录线上服务器： 一键登录跳板机查看指定日志： 一键登录跳板机后跳转线上服务器查看指定日志： ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/mfrank/\" class=\"lightblue\">弗兰克的猫</a> \n" " 发布于 2019-03-29 09:32 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/mfrank/p/10619263.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/mfrank/p/10619263.html\" class=\"gray\">阅读(18)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('liuhappy',10619261,424982,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10619261\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10619261\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/liuhappy/p/10619261.html\" target=\"_blank\">从0开始的Python学习012数据结构&amp;对象与类</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/liuhappy/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1368764/20180502094746.png\" alt=\"\"/></a> 简介 数据结构是处理数据的结构，或者说，他们是用来存储一组相关数据的。 在Python中三种内建的数据结构--列表、元组和字典。学会了使用它们会使编程变得的简单。 列表 list是处理一组有序的数据结构，即你可以在一个列表中存储一个序列的项目。在Python每个项目之间用逗号分隔。列表中的项目应该包 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/liuhappy/\" class=\"lightblue\">Happy丶Liu</a> \n" " 发布于 2019-03-29 09:31 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/liuhappy/p/10619261.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/liuhappy/p/10619261.html\" class=\"gray\">阅读(7)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('viyoung',10619158,472774,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10619158\">2</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10619158\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/viyoung/p/10619158.html\" target=\"_blank\">Spring Boot 2.x （十五）：Dubbo + Zookeeper + 新版Dubbo Admin</a></h3> \n" " <p 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onclick=\"DiggPost('suihang',10610519,450240,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10610519\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10610519\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/suihang/p/10610519.html\" target=\"_blank\">TS学习随笔（三)-&gt;接口</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/suihang/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1459059/20180806183429.png\" alt=\"\"/></a> 终于来到了比较重要的知识，接口，有多重要呢，反正是很重要好啵 在 TypeScript 中，我们使用接口（Interfaces）来定义对象的类型。 那什么是接口呢，在面向对象语言中，接口（Interfaces）是一个很重要的概念，它是对行为的抽象，而具体如何行动需要由类（classes）去实现（im ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/suihang/\" class=\"lightblue\">一只菜鸟攻城狮啊</a> \n" " 发布于 2019-03-29 08:54 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/suihang/p/10610519.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/suihang/p/10610519.html\" class=\"gray\">阅读(69)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('yunen',10619061,328097,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10619061\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10619061\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/yunen/p/10619061.html\" target=\"_blank\">关于CSRF的那点事儿</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/yunen/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1095571/20190324162056.png\" alt=\"\"/></a> 0x01 CSRF简介 & 160;& 160;& 160;& 160;CSRF，也称XSRF，即跨站请求伪造攻击，与XSS相似，但与XSS相比更难防范，是一种广泛存在于网站中的安全漏洞，经常与XSS一起配合攻击。 &lt;! more 0x02 CSRF原理 & 160;& 160;& 160;& 16 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/yunen/\" class=\"lightblue\">Yunen的博客</a> \n" " 发布于 2019-03-29 08:47 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/yunen/p/10619061.html#commentform\" title=\"2019-03-29 08:58\" class=\"gray\">\n" " 评论(1)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/yunen/p/10619061.html\" class=\"gray\">阅读(89)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('pig66',10618035,494280,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618035\">1</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618035\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/pig66/p/10618035.html\" target=\"_blank\">Python一行代码实现快速排序</a></h3> \n" " <p class=\"post_item_summary\">\n" " 上期文章排序算法——（2）Python实现十大常用排序算法为大家介绍了十大常用排序算法的前五种（冒泡、选择、插入、希尔、归并），因为快速排序的重要性，所以今天将单独为大家介绍一下快速排序！ 上期文章排序算法——（2）Python实现十大常用排序算法为大家介绍了十大常用排序算法的前五种（冒泡、选择、插 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/pig66/\" class=\"lightblue\">猪哥66</a> \n" " 发布于 2019-03-29 08:38 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/pig66/p/10618035.html#commentform\" title=\"2019-03-29 09:17\" class=\"gray\">\n" " 评论(2)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/pig66/p/10618035.html\" class=\"gray\">阅读(94)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('joy99',10618910,228233,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618910\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618910\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/joy99/p/10618910.html\" target=\"_blank\">java 并发——理解 wait / notify / notifyAll</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/joy99/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/758949/20160701123459.png\" alt=\"\"/></a> 一、前言 前情简介： \"java 并发——内置锁\" \"java 并发——线程\" java 面试是否有被问到过， 和 方法的区别，关于这个问题其实不用多说，大多数人都能回答出最主要的两点区别： sleep 是线程的方法， wait / notify / notifyAll 是 Object 类的方法； ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/joy99/\" class=\"lightblue\">SharpCJ</a> \n" " 发布于 2019-03-29 08:29 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/joy99/p/10618910.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/joy99/p/10618910.html\" class=\"gray\">阅读(98)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('leisure_chn',10584948,445983,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10584948\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10584948\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/leisure_chn/p/10584948.html\" target=\"_blank\">FFmpeg编解码处理4-音频编码</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/leisure_chn/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1446952/20190122100937.png\" alt=\"\"/></a> 本文为作者原创，转载请注明出处： FFmpeg编解码处理系列笔记： \"0]. 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target=\"_blank\">Fiddler抓包和修改WebSocket数据，支持wss</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/xiangyuecn/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/463618/20181111205015.png\" alt=\"\"/></a> 记录一下用 对`WebSocket`收发的数据进行抓包分析和篡改数据，只找到这么一个方法，能用就行吧。 时间：2019 3 29 环境： `+ Fiddler 5.0` Fiddler抓取WebSocket数据 中双击 即可查看此连接收发的数据。可惜此选项卡内没有带发送数据的功能（一个输入框(HEX ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/xiangyuecn/\" class=\"lightblue\">xiangyuecn</a> \n" " 发布于 2019-03-29 07:41 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/xiangyuecn/p/10618982.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/xiangyuecn/p/10618982.html\" class=\"gray\">阅读(350)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('moonhmily',10618975,190911,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618975\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618975\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/moonhmily/p/10618975.html\" target=\"_blank\">上次被人说TK不好咯，这次给你整个高大上的</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/moonhmily/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/649191/20190227122307.png\" alt=\"\"/></a> 想要熟练使用PyQt，还是需要深入研究下这个库的使用，笔者这里只是抛砖引玉。 关注公众号「**Python专栏**」，后台回复：**zsxq06**，获取本文全套代码。 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/moonhmily/\" class=\"lightblue\">上海小胖</a> \n" " 发布于 2019-03-29 06:55 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/moonhmily/p/10618975.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/moonhmily/p/10618975.html\" class=\"gray\">阅读(118)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('minotauros',10618913,460575,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618913\">2</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618913\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/minotauros/p/10618913.html\" target=\"_blank\">C#闭包</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/minotauros/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/839833/20180914114621.png\" alt=\"\"/></a> 1.匿名方法和Lambda表达式中可以访问到声明该匿名方法或Lambda表达式所在方法中的参数或局部变量，这些变量称为外部变量（Outer Variable），外部变量的生命周期会持续到引用匿名方法或Lambda表达式的委托实例被垃圾回收器回收为止： 2.调用匿名方法或Lambda表达式时，访问到的 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/minotauros/\" class=\"lightblue\">Minotauros</a> \n" " 发布于 2019-03-29 02:08 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/minotauros/p/10618913.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/minotauros/p/10618913.html\" class=\"gray\">阅读(199)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('idiotgroup',10618891,155885,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618891\">1</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618891\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/idiotgroup/p/10618891.html\" target=\"_blank\">TICTOC: Header Only C++ Timer</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/idiotgroup/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/542753/20160505183004.png\" alt=\"\"/></a> Header Only C++ Timer，简易实用的C++计时器，本文的重点在于项目中用到的C++编程的知识（单例、宏、名字空间等，我也不知道为啥这个功能需要这么多技术，但确实都是要用到的），以及安利一下自己编写的库。欢迎大家star和mr。感恩~ ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/idiotgroup/\" class=\"lightblue\">喵耳朵</a> \n" " 发布于 2019-03-29 01:32 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/idiotgroup/p/10618891.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/idiotgroup/p/10618891.html\" class=\"gray\">阅读(43)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('sanchang',10614074,441986,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10614074\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10614074\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/sanchang/p/10614074.html\" target=\"_blank\">React 精要面试题讲解(五) 高阶组件真解</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/sanchang/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1425733/20180620223626.png\" alt=\"\"/></a> 高阶组件存在组合(也可称之为代理)和继承两种形式，学习本章内容，让你彻底消化React高阶组件。 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/sanchang/\" class=\"lightblue\">散场丶丶</a> \n" " 发布于 2019-03-29 01:15 \n" " <span 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src=\"//pic.cnblogs.com/face/789055/20161204181900.png\" alt=\"\"/></a> ArrayList ArrayList 是通过一个数组来实现的，因此它是在连续的存储位置存放对象的引用，只不过它比 Array 更智能，能够根据集合长度进行自动扩容。 假设让我们来实现一个简单的能够自动扩容的数组，我们最容易想到的点就是： 实际上，ArrayList的内部实现原理也是这样子，我们可以 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/phpstudy2015-6/\" class=\"lightblue\">那一叶随风</a> \n" " 发布于 2019-03-29 00:20 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/phpstudy2015-6/p/10618707.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/phpstudy2015-6/p/10618707.html\" class=\"gray\">阅读(105)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('xiexj',10618714,334942,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618714\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618714\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/xiexj/p/10618714.html\" target=\"_blank\">Kubernetes的DaemonSet（下篇）</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/xiexj/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1112728/20180420145036.png\" alt=\"\"/></a> 用Daemon Pod来进行通信 使用Pod来再DaemonSet中通信的手段有： 推的方式:在DaemonSet中的Pod会被配置成发送更新到如状态数据库这样的服务。这些都没有客户端。 IP+端口方式：DaemonSet中的Pod可以使用主机端口。因此通过node的IP就可以访问。客户端知道了no ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/xiexj/\" class=\"lightblue\">编程一生</a> \n" " 发布于 2019-03-29 00:07 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/xiexj/p/10618714.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/xiexj/p/10618714.html\" class=\"gray\">阅读(39)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('jyzhao',10618658,186567,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618658\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618658\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/jyzhao/p/10618658.html\" target=\"_blank\">Oracle 10g RAC OCR、Voting disk更换</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/jyzhao/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/635610/20160310163558.png\" alt=\"\"/></a> 环境： OEL 5.7 + Oracle 10.2.0.5 RAC 需求： 更换存储，OCR、Voting disk同时需要更换到新存储。 \"1.替换OCR\" \"2.替换voting disk\" 1.替换OCR 替换OCR（Oracle Cluster Registry）首先需要关闭RAC所有节点的 ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/jyzhao/\" class=\"lightblue\">AlfredZhao</a> \n" " 发布于 2019-03-28 23:55 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/jyzhao/p/10618658.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/jyzhao/p/10618658.html\" class=\"gray\">阅读(44)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('lart',10618665,327824,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618665\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618665\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/lart/p/10618665.html\" target=\"_blank\">生产与学术之Pytorch模型导出为安卓Apk尝试记录</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/lart/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/1094855/20170112224706.png\" alt=\"\"/></a> 生产与学术 写于 2019 01 08 的旧文, 当时是针对一个比赛的探索. 觉得可能对其他人有用, 就放出来分享一下 生产与学术, 真实的对立... 这是我这两天对 的这个流程的一个切身感受. 说句实在的, 对于模型转换的探索, 算是我这两天最大的收获了... 全部浓缩在了这里: 鉴于github ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/lart/\" class=\"lightblue\">lart</a> \n" " 发布于 2019-03-28 23:53 \n" " <span class=\"article_comment\"><a href=\"https://www.cnblogs.com/lart/p/10618665.html#commentform\" title=\"\" class=\"gray\">\n" " 评论(0)</a></span><span class=\"article_view\"><a href=\"https://www.cnblogs.com/lart/p/10618665.html\" class=\"gray\">阅读(35)</a></span></div>\n" "</div>\n" "<div class=\"clear\"></div>\n" "</div>\n" "<div class=\"post_item\">\n" "<div class=\"digg\">\n" " <div class=\"diggit\" onclick=\"DiggPost('Wayou',10618645,123544,1)\"> \n" " <span class=\"diggnum\" id=\"digg_count_10618645\">0</span>\n" " </div>\n" " <div class=\"clear\"></div>\n" " <div id=\"digg_tip_10618645\" class=\"digg_tip\"></div>\n" "</div> \n" "<div class=\"post_item_body\">\n" " <h3><a class=\"titlelnk\" href=\"https://www.cnblogs.com/Wayou/p/type_alias_vs_interface.html\" target=\"_blank\">TypeScript: type alias 与 interface</a></h3> \n" " <p class=\"post_item_summary\">\n" "<a href=\"https://www.cnblogs.com/Wayou/\" target=\"_blank\"><img width=\"48\" height=\"48\" class=\"pfs\" src=\"//pic.cnblogs.com/face/431064/20140914104240.png\" alt=\"\"/></a> 官方文档中有关于两者对比的信息，隐藏在 TypeScript Handbook 中，见 Interfaces vs. Type Aliases 部分。 但因为这一部分很久没更新了，所以其中描述的内容不一定全对。 比如， 区别点之一：Type Alias 不会创建新的类型，体现在错误信息上。 One ...\n" " </p> \n" " <div class=\"post_item_foot\"> \n" " <a href=\"https://www.cnblogs.com/Wayou/\" class=\"lightblue\">刘哇勇</a> \n" " 发布于 2019-03-28 23:45 \n" " <span class=\"article_comment\"><a 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Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html