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Re:Ask HN: Do I need a regex book? by throwaway628 on Saturday July 30, 2011 @04:57PM (#2826736)
Re:Ask HN: Do I need a regex book? by rhizome on Monday August 01, 2011 @11:20AM (#2832558)
It doesn't seem to me like the OP is looking to start with something that uses set notation.