Mastering Regular Expressions_ Powerful Techniques for Perl and Other Tools [Friedl 1997-01-11].pdf

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Mastering Regular Expressions - Table of Contents
Mastering Regular Expressions
Table of Contents
Tables
Preface
1 Introduction to Regular Expressions
2 Extended Introductory Examples
3 Overview of Regular Expression Features and Flavors
4 The Mechanics of Expression Processing
5 Crafting a Regular Expression
6 Tool-Specific Information
7 Perl Regular Expressions
A Online Information
B Email Regex Program
Index
Mastering Regular Expressions
Powerful Techniques for Perl and Other Tools
Jeffrey E.F. Friedl
O'REILLY™
Cambridge
•
Köln
•
Paris
•
Sebastopol
•
Tokyo
[PU]O'Reilly[/PU][DP]1997[/DP]
Page iv
Mastering Regular Expressions
by Jeffrey E.F. Friedl
Copyright © 1997 O'Reilly & Associates, Inc. All rights reserved.
Printed in the United States of America.
Published by O'Reilly & Associates, Inc., 101 Morris Street, Sebastopol, CA
95472.
Editor:
Andy Oram
Production Editor:
Jeffrey Friedl
Printing History:
January 1997:
March 1997:
May 1997:
July 1997:
November 1997:
August 1998:
December 1998:
First Edition.
Second printing; Minor corrections.
Third printing; Minor corrections.
Fourth printing; Minor corrections.
Fifth printing; Minor corrections.
Sixth printing; Minor corrections.
Seventh printing; Minor corrections.
Nutshell Handbook and the Nutshell Handbook logo are registered trademarks
and The Java Series is a trademark of O'Reilly & Associates, Inc.
Many of the designations used by manufacturers and sellers to distinguish their
products are claimed as trademarks. Where those designations appear in this
book, and O'Reilly & Associates, Inc. was aware of a trademark claim, the
designations have been printed in caps or initial caps.
While every precaution has been taken in the preparation of this book, the
publisher assumes no responsibility for errors or omissions, or for damages
resulting from the use of the information contained herein.
Page V
Table of Contents
Preface
1: Introduction to Regular Expressions
Solving Real Problems
Regular Expressions as a Language
The Filename Analogy
The Language Analogy
The Regular-Expression Frame of Mind
Searching Text Files: Egrep
Egrep Metacharacters
Start and End of the Line
Character Classes
Matching Any Character—Dot
Alternation
Word Boundaries
In a Nutshell
xv
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15
Optional Items
Other Quantifiers: Repetition
Ignoring Differences in Capitalization
Parentheses and Backreferences
The Great Escape
Expanding the Foundation
Linguistic Diversification
The Goal of a Regular Expression
A Few More Examples
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