from this list, the two reasonable options are either DFAs (best choice if you can compile ahead of time) or lazy DFAs (great for both random user input and large regexes). NFAs are just not competitive in reality, and backtracking engines are a security nightmare.
Worse, the question that they are trying answer is rarely stated clearly and concisely.
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毫无疑问，公开这种隐私数据必须先进行脱敏。Netflix删除了所有的个人身份信息，如真实姓名、邮箱、地址、信用卡号等，只留下和电影相关的一些信息。