Step-By-Step Visual Guide To Javascript Regex

Master Regex in JavaScript with anchors, quantifiers, lookarounds, backreferences, and real-world use cases

What you'll learn

Understand how Regular Expressions work through clear and beginner-friendly explanations with visual examples

Learn not only how to read Regex but also how to apply it with JavaScript methods

Master beginner to advanced Regex concepts easily with detailed visuals and practical use cases

Learn to define Regular Expressions and use anchors, character classes, shorthands, quantifiers, lookarounds, backreferences, groups, disjunctions, and methods

Requirements

No programming experience needed. You will learn everything you need to know

Description

In this course, you'll not only learn how to read Regular Expressions or Regex but also how to apply them effectively with JavaScript methods. Whether you’re new to Regex or looking to enhance your skills, we’ll take you from beginner to advanced concepts, all explained in a clear, easy-to-follow way. The course is designed with visual learners in mind, providing practical examples and step-by-step instructions to help you grasp how Regex works.Throughout the course, you’ll dive into key topics such as anchors, character classes, shorthand character classes, quantifiers, lookarounds, backreferences, groups, disjunctions, and more. We’ll explore each concept with real-world examples, so you can see how to use them in everyday programming tasks like form validation, data extraction, and text manipulation. You’ll also learn how to write and test Regex patterns in JavaScript, making it easier to integrate Regex into your projects.Whether you're a complete beginner or someone looking to level up your coding skills, this course will give you the tools and confidence to use Regex in real-world scenarios. By the end of this course, you’ll have a solid understanding of Regex and be able to apply it wherever you need it, making your JavaScript coding more powerful and efficient.

Overview

Section 1: Introduction

Lecture 1 Introduction

Lecture 2 What Are Regular Expressions?

Section 2: Regex Fundamentals

Lecture 3 Understanding Regex Patterns

Lecture 4 Defining Regular Expressions: Literal vs. RegExp Constructor

Lecture 5 Anchors

Lecture 6 Character classes

Lecture 7 Shorthand Character Classes

Lecture 8 Quantifiers (repetition)

Lecture 9 Greedy versus non-greedy matching

Lecture 10 Disjunction

Lecture 11 Capturing Groups

Lecture 12 Multiple Grouped Disjunctions

Lecture 13 Non-Capturing Groups

Lecture 14 Referencing Capturing vs. Non-Capturing Groups

Lecture 15 Accessing Captured Groups Using $1, $2, etc.

Lecture 16 Backreferences

Lecture 17 Lookarounds

Lecture 18 Capturing Groups Inside a Lookahead

Section 3: Methods

Lecture 19 Methods used with regex

Lecture 20 match() method

Lecture 21 exec() method

Lecture 22 replace() method

Lecture 23 test() method

Lecture 24 split() method

Lecture 25 search() method

Section 4: Mastering Regex Through Practice

Lecture 26 Overview and URL validation

Lecture 27 Validate HEX color codes

Lecture 28 Perform keywords search

Lecture 29 Count words in text

Lecture 30 Data extraction

Lecture 31 Text processing and manipulation

Lecture 32 File and log analysis

Lecture 33 Web scraping and automation

Section 5: Wrap up

Lecture 34 Summary

This course is designed for beginners who are new to Regular Expressions and developers looking to enhance their skills with practical, visual learning. It’s perfect for anyone who wants to understand Regex concepts clearly and apply them to real-world scenarios like data validation, text manipulation etc.