Regular expressions - Pocket Reference
PDF | 128 Pages | 0.97 MB
This book starts with a general introduction to regular
expressions. The first section describes and defines the
constructs used in regular expressions, and establishes the
common principles of pattern matching. The remaining sections
of the book are devoted to the syntax, features, and
usage of regular expressions in various implementations.
The implementations covered in this book are Perl, Java™,
.NET and C#, Ruby, Python, PCRE, PHP, Apache web
server, vi editor, JavaScript, and shell tools.
Regular expressions are a language used for parsing and
manipulating text. They are often used to perform complex
search-and-replace operations, and to validate that text data
is well-formed.
Today, regular expressions are included in most programming
languages, as well as in many scripting languages,
editors, applications, databases, and command-line tools.
This book aims to give quick access to the syntax and
pattern-matching operations of the most popular of these
languages so that you can apply your regular-expression
knowledge in any environment.
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