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伤不伏啊PHP的正则表达式前后还要加一对反斜杠

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Release： 2016-06-13 11:00:47
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伤不起啊，PHP的正则表达式前后还要加一对反斜杠
        真伤不起，前后要加一个斜杠，搞得我弄了半天，真伤人！faint，原来这一对斜杠前后是用来输入各种命令的，哎，犯二了！

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