Regular expressions remain a difficult part of the puzzle when learning how to program. Commonly used for sifting through large chunks of text, regexes are incredibly powerful although they may appear daunting to the newcomer. And variations among languages and environments make them even harder to master.Break down regular expressions into comprehensible parts
Learn common usage patterns through simple, easy-to-follow examples
Discover how finding unique patterns can help you avoid repetitive, hand-editing of text
Use common command-line tools such as grep and sed
Compare how regular expressions are implemented in different languages and environments
Loaded with examples, this introductory guide walks beginners step-by-step through the fundamentals of regular expressions, and helps you decipher complex patterns.
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Page Count (est.): 136
Pub Date: 7/28/2012