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正则表达式尖括号不能匹配解决思路

程序员文章站 2024-01-22 08:08:10
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正则表达式尖括号不能匹配
早上在提取网页标题的过程时,里用正则表达式:/(*.)/,可是一直匹配不中,试试/<p>(.*)/也不行。<br>难度正则表达式中出现<br><font color="#e78608">------解决方案--------------------</font><br>/</p> <title>(.*)/s //写反了<br><font color="#e78608">------解决方案--------------------</font><br>可以匹配的<br>*.换成.*<br><br>贴示例代码、数据<br><font color="#e78608">------解决方案--------------------</font><br><dl class="code">PHP code<pre class="brush:php;toolbar:false">$text = "<title>你好";preg_match_all("/(.*)/i", $text, $result);var_dump($re);<div class="clear"> <a href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL2suaHRtbD90PTI=" target="_blank" rel="nofollow"><img onerror="this.src='/statics/superweb999/images/image_error.jpg'"src="/default/index/img?u=aHR0cHM6Ly9pbWcucGhwLmNuL3VwbG9hZC9jb3Vyc2UvMDAwLzAwMC8wNzEvNjIwYzYwNGY3NTI1MTk5NS5wbmc=" style="margin-top: 30px;" alt="正则表达式尖括号不能匹配解决思路" title="正则表达式尖括号不能匹配解决思路"></a><p style="float:right;font-size:13px;color:#999;"><span class="red">声明:</span>本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系admin@php.cn核实处理。</p> </div> <p class="article-relative-header">相关文章</p> <p class="article-relative-header">相关视频</p> <hr class="layui-clear"> <ul class="article-relative-ul"> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL3BocC13ZWl6aWppYW9jaGVuZy0zMDA2MDUuaHRtbA==" target="_blank" rel="nofollow">谈网页编程PHP语言的发展_PHP教程</a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL3BocC13ZWl6aWppYW9jaGVuZy0zMDA5NDkuaHRtbA==" target="_blank" rel="nofollow">模拟OICQ的实现思路和核心程序三转--建议加入精...</a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL3BocC13ZWl6aWppYW9jaGVuZy0zMDEwMjQuaHRtbA==" target="_blank" rel="nofollow">php新手入门经验谈_PHP教程</a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL3BocC13ZWl6aWppYW9jaGVuZy0zMDE5NzcuaHRtbA==" target="_blank" rel="nofollow">关于中英数字混的字串符分割问题_PHP教程</a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL3BocC13ZWl6aWppYW9jaGVuZy0xNzkyMTcuaHRtbA==" target="_blank" rel="nofollow">正则表达式尖括号不能匹配解决思路</a> </li> </ul> <ul class="article-relative-ul"> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL2NvZGUvNDk2Lmh0bWw=" target="_blank" title="HTML基础教程之<strong>和<em>" rel="nofollow">HTML基础教程之<strong>和<em></a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL2NvZGUvNTAwLmh0bWw=" target="_blank" title="HTML基础教程之<span>标签" rel="nofollow">HTML基础教程之<span>标签</a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL2NvZGUvNTI4Lmh0bWw=" target="_blank" title="HTML基础教程之<meta>标签" rel="nofollow">HTML基础教程之<meta>标签</a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL2NvZGUvNjc5Lmh0bWw=" target="_blank" title="HTML <div> 和<span>" rel="nofollow">HTML <div> 和<span></a> </li> <li> <span class="layui-badge-dots"></span><a class="relevant" href="/default/index/url?u=aHR0cHM6Ly93d3cucGhwLmNuL2NvZGUvODgwLmh0bWw=" target="_blank" title="multiple backgrounds多背景" rel="nofollow">multiple backgrounds多背景</a> </li> </ul>