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一个正则表达式酿成的惨案…
source link: http://developer.51cto.com/art/201808/581669.htm
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正则表达式是程序员经常使用的工具之一。本文作者通过一个正则表达式的陷阱，先深入剖析了出现问题的原因，后给出怎么处理这类问题的方法。最后还给出了一些检测常见正则表达式问题的工具，十分值得深入研究。
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