Build Your Own Regular Expression Engines: Backtracking, NFA, DFA

Comprehensive guide to building custom regular expression engines, covering backtracking, NFA, and DFA approaches. Learn to parse regex with Python.

Introduction

A comprehensive guide to building custom regular expression engines, covering backtracking, NFA, and DFA approaches.

Highlights

• Learn to parse regular expressions with about 100 lines of Python
• Implement regex execution via backtracking with around 50 lines of code
• Explore intermediate-level concepts by coding an NFA with approximately 100 lines of Python
• Dive into advanced topics by implementing a Deterministic Finite Automaton (DFA)

Recommendation

This course is suitable for developers who want to gain a deeper understanding of regular expressions by building their own regex engines. It covers a range of complexity levels, from beginner to advanced, making it accessible to learners with varying skill levels.