Introducing Regular Expressions by Fitzgerald, Michael -- Read -- Imperial Library of Trantor

Index

Introducing Regular Expressions SPECIAL OFFER: Upgrade this ebook with O’Reilly Preface

Who Should Read This Book What You Need to Use This Book Conventions Used in This Book Using Code Examples Safari® Books Online How to Contact Us Acknowledgments

1. What Is a Regular Expression?

Getting Started with Regexpal Matching a North American Phone Number Matching Digits with a Character Class Using a Character Shorthand Matching Any Character Capturing Groups and Back References Using Quantifiers Quoting Literals A Sample of Applications What You Learned in Chapter 1 Technical Notes

2. Simple Pattern Matching

Matching String Literals Matching Digits Matching Non-Digits Matching Word and Non-Word Characters Matching Whitespace Matching Any Character, Once Again Marking Up the Text

Using sed to Mark Up Text Using Perl to Mark Up Text

What You Learned in Chapter 2 Technical Notes

3. Boundaries

The Beginning and End of a Line Word and Non-word Boundaries Other Anchors Quoting a Group of Characters as Literals Adding Tags

Adding Tags with sed Adding Tags with Perl

What You Learned in Chapter 3 Technical Notes

4. Alternation, Groups, and Backreferences

Alternation Subpatterns Capturing Groups and Backreferences

Named Groups

Non-Capturing Groups

Atomic Groups

What You Learned in Chapter 4 Technical Notes

5. Character Classes

Negated Character Classes Union and Difference POSIX Character Classes What You Learned in Chapter 5 Technical Notes

6. Matching Unicode and Other Characters

Matching a Unicode Character

Using vim

Matching Characters with Octal Numbers Matching Unicode Character Properties Matching Control Characters What You Learned in Chapter 6 Technical Notes

7. Quantifiers

Greedy, Lazy, and Possessive Matching with *, +, and ? Matching a Specific Number of Times Lazy Quantifiers Possessive Quantifiers What You Learned in Chapter 7 Technical Notes

8. Lookarounds

Positive Lookaheads Negative Lookaheads Positive Lookbehinds Negative Lookbehinds What You Learned in Chapter 8 Technical Notes

9. Marking Up a Document with HTML

Matching Tags Transforming Plain Text with sed

Substitution with sed Handling Roman Numerals with sed Handling a Specific Paragraph with sed Handling the Lines of the Poem with sed

Appending Tags

Using a Command File with sed

Transforming Plain Text with Perl

Handling Roman Numerals with Perl Handling a Specific Paragraph with Perl Handling the Lines of the Poem with Perl Using a File of Commands with Perl

What You Learned in Chapter 9 Technical Notes

10. The End of the Beginning

Learning More Notable Tools, Implementations, and Libraries

Perl PCRE Ruby (Oniguruma) Python RE2

Matching a North American Phone Number Matching an Email Address What You Learned in Chapter 10

A. Regular Expression Reference

Regular Expressions in QED Metacharacters Character Shorthands Whitespace Unicode Whitespace Characters Control Characters Character Properties Script Names for Character Properties POSIX Character Classes Options/Modifiers ASCII Code Chart with Regex Technical Notes

Regular Expression Glossary Index About the Author Colophon SPECIAL OFFER: Upgrade this ebook with O’Reilly Copyright