Regex Guide

1. Introduction

Regular expressions (regex) are powerful patterns used to match and manipulate text. They are essential for text processing and validation.

2. What Is Regex

A regular expression is a sequence of characters that defines a search pattern. It can be used to search, replace, and validate text.

3. Basic Syntax

Learn the basic syntax including literals, metacharacters, quantifiers, and anchors.

4. Common Patterns

Common patterns include matching emails, phone numbers, URLs, and dates.

5. Advanced Features

Learn about lookaheads, lookbehinds, groups, and flags.

6. Conclusion

Mastering regex takes practice, but it is a valuable skill for any developer.

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