PHP regular expression problem
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>
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:
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>
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...

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