Build a Regex Engine in Less than 40 Lines of Code

nickdrane.com

Implement a rudimentary regex engine in less than 40 lines of code. Learn the core syntax, functionality, and underlying logic of regular expressions.

Technical TutorialsJavaScriptRegular Expressions

Introduction

A guide to building a regex engine in less than 40 lines of code, providing a concise and practical introduction to regular expressions and programming.

screenshot

Highlights

  • Implement a rudimentary regular expression engine in JavaScript
  • Learn the core syntax and functionality of regular expressions
  • Gain insights into the underlying logic and implementation of a regex engine
  • Explore the power of recursion in solving complex programming problems
  • Develop a solid understanding of pattern matching and string manipulation

Recommendation

This course is an excellent choice for developers who want to deepen their understanding of regular expressions and gain practical experience in building a functional regex engine. It provides a hands-on approach to learning the fundamentals of regex and programming, making it suitable for both beginners and experienced developers looking to expand their skills.

How GetVM Works

Learn by Doing from Your Browser Sidebar

Access from Browser Sidebar

Access from Browser Sidebar

Simply install the browser extension and click to launch GetVM directly from your sidebar.

Select Your Playground

Select Your Playground

Choose your OS, IDE, or app from our playground library and launch it instantly.

Learn and Practice Side-by-Side

Learn and Practice Side-by-Side

Practice within the VM while following tutorials or videos side-by-side. Save your work with Pro for easy continuity.

Explore Similar Hands-on Tutorials

Hands-On Data Visualization

9
Technical TutorialsData ScienceJavaScript
Comprehensive guide to data visualization techniques and best practices. Learn to design interactive charts and customized maps for your website using free and easy-to-learn tools.

Comprehensive Guide to Learning GraphQL | API Development

12
Technical TutorialsJavaScript
Learn GraphQL, a powerful query language for APIs, from a reliable and community-driven source. Covers essential concepts and practical examples to build efficient, flexible, and scalable APIs.

HTML5 Canvas Notes for Professionals

22
Technical TutorialsHTMLJavaScript
Comprehensive guide covering HTML5 Canvas topics including text, polygons, images, paths, animation, and more. Compiled from Stack Overflow Documentation.

HTML5 Shoot em Up in an Afternoon

29
Technical TutorialsHTMLJavaScript
Create a complete shoot 'em up game in a single afternoon using HTML5 and JavaScript. Learn essential game development topics like sprites, game loop, player actions, and object groups.

Building Front-End Web Apps with Plain JavaScript

12
Technical TutorialsJavaScriptObject-Oriented Programming
Learn how to build front-end web applications with plain JavaScript, without using any frameworks or libraries. Covers fundamental object-oriented programming concepts.

Clean Code JavaScript | Software Engineering Principles

11
Technical TutorialsJavaScript
Comprehensive guide to writing readable, reusable, and refactorable JavaScript code. Covers best practices for variables, functions, objects, classes, testing, and more.

Designing Scalable JavaScript Applications

29
Technical TutorialsJavaScriptWeb Development
Comprehensive guide to building high-performance, scalable web applications using JavaScript. Covers architecture, performance optimization, and best practices.

Exploring ES6 | JavaScript ES6 Guide

19
Technical TutorialsJavaScript
Comprehensive guide to the latest ES6 language features and their applications in JavaScript programming. Suitable for beginners and experienced developers.

Functional-Light JavaScript

26
Technical TutorialsFunctional ProgrammingJavaScript
Dive into the principles of functional programming and how to apply them in JavaScript development with Functional-Light JavaScript, a comprehensive guide by Kyle Simpson.