@H_403_0@#正则表达式资料

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@H_403_0@谢谢原作者的用心绘制。

@H_403_0@分享在此。

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@H_403_0@PS:

@H_403_0@[Regexp Syntax Summary](http://www.greenend.org.uk/rjk/tech/regexp.html)

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@H_403_0@[Comparison_of_regular_expression_engines](https://en.wikipedia.org/wiki/Comparison_of_regular_expression_engines)