Text tools
Regular Expression Visualizer
Use Regular Expression Visualizer online for free. Adjust the available options and process your data locally in your browser, with no installation or sign-up.
Your data is processed only in your browser
Features and usage
Enter your content or choose the options above, then review the result. Tool calculations run locally in your browser.
Available options
- Unicode mode
Scope and limitations
Draws the syntax structure of a JavaScript regular expression as a tree. Does not execute matching.
Example input
([A-Z]+)\d{2,4}