Question

我要说的是,案文如下:

Call me Ishmael. Some years ago- never mind how long precisely- having little 
or no money in my purse, and nothing particular to interest me on shore, I 
thought I would sail about a little and see the watery part of the world. It is  
<?xml version="1.0" encoding="utf-8"?>
<RootElement xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
     xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <ChildElement />
   <ChildElement />
</RootElement>
a way I have of driving off the spleen and regulating the circulation. Whenever  
I find myself growing grim about the mouth; whenever it is a damp, drizzly 
November in my soul;

我能用什么reg?

<>m>NOTE:我可以假设:<RootElement>和</RootElement>将始终有相同的名称。

Answer 1

如果你知道,根本要素永远是<代码><RootElement ......>,并且永远不会有一条封顶的<代码><RootElement>tag,你可以这样做:

<?xml .+?</RootElement>

这一条码将贴上<条码>和>之间的所有文本;?xml和</RootElement>。

Answer 2

我的理解是,根本内容并不总是被称作RootElement,因此你可以使用。

<?xml[^>]+>s*<s*(w+).*?<s*/s*1>

采用<代码>RegexOptions。单信用证/代码。这将在打开“标签”后排出首个标签,并在对等标之前抓住一切。

C#:

resultString = Regex.Match(subjectString, @"<?xml[^>]+>s*<s*(w+).*?<s*/s*1>", RegexOptions.Singleline).Value;

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