smallwiki的格式感觉有点乱

[zinc]

[[和]]不是一一对应的，在里面甚至有[[xxxxxx[[xxxxx]]xxxxx]]的嵌套格式，嵌套格式怎么算啊，用正则表达式该怎么处理呢？

[PengBo]

嵌套格式是存在的，

比如这样的内容：
<title>Extinct birds</title>  。。。。
[[Image:ExtinctDodoBird.jpeg|right|frame|[    [Dodo]], based on [[Roelant Savery]]'s [[1626]] painting of a stuffed specimen - note that it has two left feet.]]

对应于wiki上右侧的图片介绍，近似对应这个网页：
http://en.wikipedia.org/wiki/List_of_extinct_birds

Best,

pb.

On Thu, Jul 24, 2014 at 4:01 PM, zinc <zhx...@gmail.com> wrote:

[[和]]不是一一对应的，在里面甚至有[[xxxxxx[[xxxxx]]xxxxx]]的嵌套格式，嵌套格式怎么算啊，用正则表达式该怎么处理呢？

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[Han Jiang]

我grep了一下，带这样pattern的:

"\[\[[^]]*\["

大都是类似于老师给的例子，一个Image加下带链接的caption，或者一个Category套着另一个Category。

因为这样的嵌套结构只有最里面一层有效，所以，你们在抽取的时候，还是可以用正则的吧？比如这样的regex(中间空格去掉)：

\[ \[  [^\[\]]*  \]  \]

保证[[ ]]中间不会嵌套出现[]字符就可以了。

--

Han Jiang

Team of Search Engine and Web Mining,
School of Electronic Engineering and Computer Science,
Peking University, China