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Java Regular Expressions: Taming the java.util.regex Engine Review by The Language Techie

Adequately lukewarm, definitely not taming

I agree with the reviewer who said the book never soars beyond the basics. And, aside from typos, I can't stand factual errors or bad advice such as using the more expensive alternation (i|I)ce instead of the more efficient character class [iI]ce in some examples. It is good that the author suggests the nio FileChannel for working with regex matching in file content--a correct, and current, approach. Overall, the beginning chapters are too wordy, the examples too simple and nuances not explained at all or well. It is only an adequate treatment, and far removed from the classic "Mastering Regular Expressions" by Friedl.