March 2023
Intermediate to advanced
152 pages
3h 14m
English
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2 Quantifiers and special sub-patterns
Solving the puzzles in this chapter will require you to have a good understanding of the different quantifiers that regular expressions provide, and to pay careful attention to when you should use subpatterns (themselves likely quantified). If you feel rusty about quantifiers or the wildcard character, reviewing the appendix to this book is a good idea.
In a general, but only approximate, way, the chapters of this book build from simpler to more complex capabilities of regular expressions. Using quantifiers is one of the most fundamental capabilities within the mini-language of regexen, so this chapter begins with puzzles that mostly rely on those. Later chapters mix in additional constructs and build on ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.