Regex Explain Tool
Visualize and explain regular expressions in plain English. 100% client-side, instant, and private.
Enter Regular Expression
Regex Visualization & Explanation
Type or paste any regular expression pattern you want to understand.
^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$Press the "Explain Regex" button or hit Enter to generate the explanation.
View the color-coded visualization and plain English explanation of your regex pattern.
Break down complex regex patterns to understand how they work and learn regex syntax.
\b\d{3}-\d{2}-\d{4}\bUnderstand regex patterns in codebases during reviews or maintenance.
(https?://[^\s]+)Debug regex patterns that aren't working as expected by understanding their components.
^(?=.*[a-z])(?=.*[A-Z])(?=.*\d).{8,}$The tool explains most common regex features including character classes, quantifiers, groups, anchors, and alternation. It provides educational breakdowns for learning and understanding patterns.
Yes! All regex processing happens locally in your browser. Your patterns never leave your device or get transmitted to our servers, ensuring complete privacy.
The tool handles most standard regex patterns. For very complex or advanced features, you may want to supplement with additional regex documentation or testing tools.
After understanding your regex, use our Regex Generator & Tester to test and refine your patterns, or try the Code Formatter to format code containing regex.
Visualize and explain regular expressions in plain English. 100% client-side, instant, and private.