The Complete Regular Expressions(Regex) Course For Beginners Syllabus

Overview: This comprehensive course is designed to take you from beginner to mastery in Regular Expressions (Regex), covering foundational concepts to real-world applications. With over 4 hours of structured content, the course progresses through core syntax, pattern building, and practical implementations across programming languages and tools. Each module includes hands-on exercises and quizzes to reinforce learning, ensuring you gain confidence in using Regex for text processing, data validation, and automation tasks. Ideal for developers, data analysts, and QA professionals looking to enhance their text-matching skills.

Module 1: Introduction to Regular Expressions

Estimated time: 0.5 hours

• What is Regex and how it works across platforms
• History and evolution of Regular Expressions
• Common use cases in coding and data processing
• Overview of Regex syntax and structure

Module 2: Core Regex Syntax & Metacharacters

Estimated time: 1 hour

• Understanding the dot (.) metacharacter
• Using anchors ^ and $ for line boundaries
• Quantifiers * , + , and ? for repetition
• Escaping special characters with backslash

Module 3: Character Sets & Ranges

Estimated time: 0.75 hours

• Creating custom character sets with []
• Negated character classes using [^]
• Shorthand character classes: \d, \w, \s
• Matching digits, words, and whitespace effectively

Module 4: Quantifiers & Grouping

Estimated time: 1 hour

• Greedy vs. lazy quantifiers
• Exact quantifiers {n}, {n,}, {n,m}
• Grouping with parentheses ()
• Alternation with the | operator

Module 5: Anchors & Boundaries

Estimated time: 0.5 hours

• Line anchors ^ and $
• Word boundaries \b and \B
• Position-based matching techniques

Module 6: Practical Applications & Real-World Examples

Estimated time: 1 hour

• Email address validation patterns
• Phone number and URL matching
• Log file filtering and text cleaning
• Form input validation use cases

Module 7: Regex in Programming Languages & Tools

Estimated time: 0.75 hours

• Using Regex in Python and JavaScript
• Applying patterns with grep in command line
• Integrating Regex in VS Code and Sublime Text

Prerequisites

• Basic familiarity with computers and text editing
• Understanding of simple programming concepts (helpful but not required)
• Access to a code editor or IDE (e.g., VS Code)

What You'll Be Able to Do After

• Build and test complex Regular Expressions confidently
• Validate email, phone, and URL inputs accurately
• Extract and clean data from logs or unstructured text
• Apply Regex in Python, JavaScript, and command-line tools
• Solve real-world text processing challenges efficiently