Rust Regex Tutorial | Extract Emails & URLs with Pattern Matching | Rust by Examples #12

Learn how to use regular expressions in Rust with the popular regex crate! In this hands-on tutorial, we build a text matcher that extracts email addresses and URLs from documents. 📚 What You'll Learn: • Using the regex crate for pattern matching • Basic regex syntax: \w, \d, \s, and more • Capture groups for extracting parts of matches • Finding all matches with find_iter() and captures_iter() • Search and replace with replace_all() 🔧 Project: Regex Text Matcher We build a tool that: 1. Reads text files containing emails and URLs 2. Uses regex patterns to find all matches 3. Extracts usernames and domains with capture groups 4. Redacts sensitive emails with search and replace ⏱️ Timestamps: 0:00 - Introduction 0:15 - The regex Crate Explained 0:33 - Common Regex Patterns 0:51 - Create regex_matcher Project 1:19 - Create Sample Data 1:59 - Write Basic Pattern Matching Code 2:54 - Run Basic Regex Demo 3:18 - Extract All Matches with Captures 4:23 - Run Extraction Demo 4:51 - Search and Replace Demo 5:31 - Recap 5:56 - Next Lesson Preview 💻 Code Available: https://github.com/GoCelesteAI/regex_matcher 🦀 Rust by Examples Series: A practical, project-based approach to learning Rust through real-world examples. #Rust #Regex #PatternMatching #RustProgramming #Tutorial #RustByExamples #Programming #GoCelesteAI