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我有以下文字:的Javascript正则表达式失败(循环?)
<meta http-equiv="CONTENT-TYPE" content="text/html; charset=utf-8"><title>test file</title><meta name="GENERATOR" content="LibreOffice 4.1.4.2 (Windows)"><meta name="CREATED" content="0;0"><meta name="CHANGED" content="0;0"><style type="text/css">
<!--
.nicEdit-main { margin-left:55px; margin-right:36px; margin-top:18px; margin-bottom:36px }
P { margin-bottom: 0.21cm; direction: ltr; color: #000000; text-align: left; widows: 2; orphans: 2 }
P.western { font-family: "Times New Roman", serif; font-size: 12pt; so-language: ru-RU }
P.cjk { font-family: "Arial", sans-serif; font-size: 12pt; so-language: zh-CN }
P.ctl { font-family: "Symbol"; font-size: 12pt; so-language: hi-IN }
TD P { margin-bottom: 0.21cm; direction: ltr; color: #000000; text-align: left; widows: 2; orphans: 2 }
TD P.western { font-family: "Times New Roman", serif; font-size: 12pt; so-language: ru-RU }
TD P.cjk { font-family: "Arial", sans-serif; font-size: 12pt; so-language: zh-CN }
TD P.ctl { font-family: "Symbol"; font-size: 12pt; so-language: hi-IN }
-->
</style><div type="HEADER">
<p class="western" style="margin-bottom: 0.38cm; text-align: left;" align="LEFT">
<br><br>
</p>
</div><p style="margin-top: 0.42cm; margin-bottom: 0.42cm; text-align: center;" class="western" align="CENTER"> <span class="divider">
<b>He</b><i><span style="text-decoration: underline;"><b>-llo</b></span></i><b>, World!!!!!</b></span> </p><p style="margin-top: 0.42cm; margin-bottom: 0.42cm; text-align: center;" class="western" align="CENTER"> <span class="divider"><br></span> <span class="divider"><br></span> </p><p style="margin-top: 0.56cm; margin-bottom: 0.56cm; text-align: center;" class="western" align="CENTER"> <span class="divider">
<font size="6"><b>h1 h1 h1</b></font></span>
而且下面的正则表达式:
/<style type="text\/css">+(.*?\n.*?)+<\/style>/i
,当我在正则表达式测试仪测试它,正则表达式正确认定<风格> < /风格>部分。但是,当我试图执行它的实时代码,它通过超时regex.exe()
stucks和崩溃我做错了什么?
这些是什么'+'。应该在你的正则表达式呢?请解释 – Bergi 2014-10-06 15:12:34
你想做什么?在'style'标签之间抽取所有内容?你有现场样品吗? – 2014-10-06 15:14:59
你不能只使用常规的元素选择方法吗?例如,'document.querySelectorAll('style [type =“text/css”]')'会为''''''type''属性设置所有'style'元素。 – 2014-10-06 15:16:35