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Go Systems Programming

You're reading from   Go Systems Programming Master Linux and Unix system level programming with Go

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787125643
Length 466 pages
Edition 1st Edition
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Author (1):
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Mihalis Tsoukalos Mihalis Tsoukalos
Author Profile Icon Mihalis Tsoukalos
Mihalis Tsoukalos
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Table of Contents (13) Chapters Close

Preface 1. Getting Started with Go and Unix Systems Programming FREE CHAPTER 2. Writing Programs in Go 3. Advanced Go Features 4. Go Packages, Algorithms, and Data Structures 5. Files and Directories 6. File Input and Output 7. Working with System Files 8. Processes and Signals 9. Goroutines - Basic Features 10. Goroutines - Advanced Features 11. Writing Web Applications in Go 12. Network Programming

Pattern matching and regular expressions

Pattern matching, which plays a key role in Go, is a technique for searching a string for a set of characters based on a specific search pattern that is based on regular expressions. If pattern matching is successful, it allows you to extract the desired data from the string or replace or delete it. Grammar is a set of production rules for strings in a formal language. The production rules describe how to create strings from the alphabet of the language that are valid according to the syntax of the language. Grammar does not describe the meaning of a string or what can be done with it in whatever context, only its form. What is important is to realize that grammar is at the heart of regular expressions because without it, you cannot define or use a regular expression.

Regular expressions and pattern matching are not a panacea, so you should...
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