PHP regular expression problem-PHP Tutorial-php.cn

PHP regular expression problem

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Release： 2016-07-06 13:51:47

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1. How to correctly match the bookmark backup files (html format) exported by Google Chrome and Firefox, and correctly read the superior-subordinate relationship between category directories and bookmarks?

2. Exported backup bookmark format:

<code><DT><H3 FOLDED ADD_DATE="1467374152" FAV_POS="0">技术性网页</H3>
<DL><p>
    <DT><H3 FOLDED ADD_DATE="1467374152" FAV_POS="0">Hacker</H3>
    <DL><p>
        <DT><A HREF="http://blog.knowsky.com/192993.htm" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="2" >SQL 手工注入大全</A>
        <DT><A HREF="http://www.2cto.com/Article/201207/139493.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="6" >Burp Suite详细使用教程-Intruder模块详解 - 软件工具 - 红黑联盟</A>
    </DL><p>
    <DT><H3 FOLDED ADD_DATE="1467374152" FAV_POS="0">安卓开发</H3>
    <DL><p>
        <DT><A HREF="http://www.2cto.com/kf/201310/249684.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="1" >adb not responding you can wait more - Android移动开发技术文章_手机开发 - 红黑联盟</A>
    </DL><p>
    <DT><A HREF="http://www.oschina.net/code/list?lang=php&catalog=&show=time" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="3" >代码分享列表 -- PHP - 开源中国社区</A>
    <DT><A HREF="http://www.yiibai.com/" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="38" >易百教程 - 专注于IT教程和实例</A>
</DL><p>
<DT><A HREF="https://www.apachefriends.org/zh_cn/index.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="45" >XAMPP Installers and Downloads for Apache Friends</A>
<DT><A HREF="https://www.apachefriends.org/zh_cn/index.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="45" >XAMPP Installers and Downloads for Apache Friends</A>
<DT><A HREF="https://www.apachefriends.org/zh_cn/index.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="45" >XAMPP Installers and Downloads for Apache Friends</A></code>

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I tried to use regular expression matching, but I didn’t learn it well enough and couldn’t get the superior-subordinate relationship correctly. Could you please give me some advice?

Reply content:

2. Exported backup bookmark format:

<code><DT><H3 FOLDED ADD_DATE="1467374152" FAV_POS="0">技术性网页</H3>
<DL><p>
    <DT><H3 FOLDED ADD_DATE="1467374152" FAV_POS="0">Hacker</H3>
    <DL><p>
        <DT><A HREF="http://blog.knowsky.com/192993.htm" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="2" >SQL 手工注入大全</A>
        <DT><A HREF="http://www.2cto.com/Article/201207/139493.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="6" >Burp Suite详细使用教程-Intruder模块详解 - 软件工具 - 红黑联盟</A>
    </DL><p>
    <DT><H3 FOLDED ADD_DATE="1467374152" FAV_POS="0">安卓开发</H3>
    <DL><p>
        <DT><A HREF="http://www.2cto.com/kf/201310/249684.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="1" >adb not responding you can wait more - Android移动开发技术文章_手机开发 - 红黑联盟</A>
    </DL><p>
    <DT><A HREF="http://www.oschina.net/code/list?lang=php&catalog=&show=time" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="3" >代码分享列表 -- PHP - 开源中国社区</A>
    <DT><A HREF="http://www.yiibai.com/" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="38" >易百教程 - 专注于IT教程和实例</A>
</DL><p>
<DT><A HREF="https://www.apachefriends.org/zh_cn/index.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="45" >XAMPP Installers and Downloads for Apache Friends</A>
<DT><A HREF="https://www.apachefriends.org/zh_cn/index.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="45" >XAMPP Installers and Downloads for Apache Friends</A>
<DT><A HREF="https://www.apachefriends.org/zh_cn/index.html" ADD_DATE="1467374152" LAST_VISIT="0" LAST_MODIFIED="1467374152" LOVEFAV="0" FAV_POS="45" >XAMPP Installers and Downloads for Apache Friends</A></code>

Copy after login

I tried to use regular expression matching, but I didn’t learn it well enough and couldn’t get the superior-subordinate relationship correctly. Could you please give me some advice?

I can only say that it is better to use DOM to parse this form using regular expressions...