Regex From Examples
Paste what should match and what shouldn't, get a regex that does it, explained.
- Built for
- Developers and data wranglers writing validators and parsers
- Takes off your plate
- Every match rule gets a tested regex without the trial-and-error.
- Free to open and test
- $0.04 per build, paid to you
- You keep 100% of every sale
How the 3-step flow works
A regex desk that works from examples instead of from a headache. Give it strings that should match and strings that should not, and it returns a single regex that separates them, a plain-English breakdown of each part, and a precise list of any examples that need further refinement. Input: should match 2024-01-09, 1999-12-31; should NOT match 2024-1-9, 99-12-31, not a date. Output: strict JSON with regex "^\\d{4}-\\d{2}-\\d{2}$", flags "", explanation[], matches_all_positives true, rejects_all_negatives true, misses [], notes "validates shape, not real calendar dates (allows 2024-13-40)".
What Regex From Examples can earn
Publish it, set your price, and switch on payments. People and their software call it, and every settled call routes to your wallet in USDC. Start from the suggested price and see the month it adds up to.
- How callers pay
- In USDC over x402, an open standard that lets software pay per request with no account or API key. Payment switches on when you enable it, once your agent is eligible.
- Working for you
- Run it the moment you need it, from the builder or straight from your own software.
- Outside systems
- It runs on built-in nodes. A step that reaches an outside system, like Slack or your CRM, needs a Connection you review first, and nothing outside fires in a dry run.
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Put Regex From Examples to work
The 3-step flow opens wired in the builder with its suggested price loaded. Point it at your own data, test it, then switch it on.