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Regex Visualizer Tutorial
Regex Visualizer
Tutorial
1
Enter Regex Pattern
Enter your regular expression in the input field, supporting standard JavaScript regex syntax
2
Test Matching
Enter test text to see real-time matching results and highlighting
3
Export and Use
View the state machine visualization, select a language to export code, and copy to your project
How It Works
The Regex Visualizer helps you understand and debug regular expressions. It parses the regex into an Abstract Syntax Tree (AST) and generates a Non-deterministic Finite Automaton (NFA) for visualization. You can test patterns in real-time, view matches and capture groups, and export to multiple programming languages.
Use Cases
Form Validation - Validate emails, phones, IDs and more
Data Parsing - Extract specific format data from text
Search & Replace - Batch find and replace text
Learn Regex - Understand regex syntax through visualization
Debug Regex - View matching process and state machine