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请问一个正则

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Release： 2016-06-13 10:30:48
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请教一个正则
微薄中经常会有#号之类的话题，[email protected]东西

我现在想写个正则是检测他是#号话题的。但里面不[email protected] 怎么写啊 

比如：
1. [email protected] XXX# 不是我想要的
2. #话题XXX# 是正确的

------解决方案--------------------
#([^#@]*)#

Related labels：
email nbsp protected
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