Regex patterns without the headache.
Explain what you need to match or extract. Formula Genius generates the regex and shows examples.
"Extract domain names from emails."
@([A-Za-z0-9.-]+\.[A-Za-z]{2,})Regex in plain English
Describe your match
Tell us the format or structure you need to capture.
Get the pattern
Receive a regex string with test cases and a full explanation.
Copy and use
Paste into Sheets, SQL, or your favorite editor.
Common regex requests
Email extraction
Extract domains, usernames, or clean invalid emails.
URL parsing
Capture query parameters and path segments fast.
Log matching
Detect error codes and timestamps reliably.
What every regex output includes
Pattern, explanation, and sample matches so you can trust it.
Regex pattern
Copy-ready patterns tailored to your use case.
- Escaping handled correctly
- Named groups when helpful
- Safe defaults
Explanation
A breakdown of what each segment does.
- Readable component list
- What is captured vs matched
- Common pitfalls
Examples
Sample inputs and expected matches.
- Valid/invalid examples
- Edge cases
- Quick copy for testing
Regex generator FAQ
Do you explain the regex?
Yes. Every output comes with a breakdown and examples so you can trust the pattern.
Can I use it in Sheets?
We provide patterns compatible with Google Sheets regex functions such as REGEXMATCH and REGEXEXTRACT.
Is regex generation part of Pro?
Regex is available in the free tier with daily limits. Pro removes limits.
What if I need a different flavor?
Ask for a specific engine (PCRE, JavaScript, Python, etc.) and we will adapt it.
Can you generate capture groups?
Yes. We include capture groups and clearly label what each group extracts.
Ready to generate regex?
Start in ChatGPT and export ready-to-use patterns instantly.