Regex → English

Decodes a regular expression into what it matches and what it rejects.

Paste any regex. Get a step-by-step English breakdown plus example strings that match and don't match.

regexexplain

Regular expression

54/8000

Output

Output will appear here after you click Run.

Or run in your favourite chatbot

Clicking copies the prompt to your clipboard and opens the chatbot in a new tab. Gemini doesn't accept URL params — paste manually with Ctrl/Cmd+V.