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关于一个识别图片和其它文件的问题SegmentFault

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Release： 2016-06-06 20:48:29
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<code>字文字文字文字文字文字文字文字文字文字文字
http://www.xxxx.com/22333.png
http://www.dsfad.com/bbccccc.zip
www.baidu.com
http://www.dsfad.com/sdsf.jpg
文字文字文字文字文字文字文字文字文字文字文字文字文字文字
http://www.dsfad.com/aaaaaa.doc
http://www.dsfad.com/bbbbbbbbb.zip
字文字文字文
http://segmentfault.com/q/1010000000261860
字文字文字文
</code>
Copy after login
Copy after login

这里我随便弄一段文章代码，我想先识别图片，凡是图片url, 会自动加<img alt="关于一个识别图片和其它文件的问题SegmentFault" >标签，除了图片外的其它的url，会自动加链接标签<a></a>，如何来实现。识别完，最后再合成文章。

求解决方案。

回复内容：

<code>字文字文字文字文字文字文字文字文字文字文字
http://www.xxxx.com/22333.png
http://www.dsfad.com/bbccccc.zip
www.baidu.com
http://www.dsfad.com/sdsf.jpg
文字文字文字文字文字文字文字文字文字文字文字文字文字文字
http://www.dsfad.com/aaaaaa.doc
http://www.dsfad.com/bbbbbbbbb.zip
字文字文字文
http://segmentfault.com/q/1010000000261860
字文字文字文
</code>
Copy after login
Copy after login

这里我随便弄一段文章代码，我想先识别图片，凡是图片url, 会自动加<img alt="关于一个识别图片和其它文件的问题SegmentFault" >标签，除了图片外的其它的url，会自动加链接标签<a></a>，如何来实现。识别完，最后再合成文章。

求解决方案。

这个你得学正则表达式。

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