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Regex Explainer (Plain English)
x402
Regex Explainer (Plain English) is a paid API for AI agents from dev-5090-box.tailfb4c1f.ts.net, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-12).
Takes a raw regex pattern and returns a plain-English explanation of what it matches and how it works.
Price / call$0.01
Success—
StatusUnknown
How this service works
Explain a regex in plain English. Paste the regex in message content.
Output
A plain-English narrative explaining what the regex pattern matches, how each component or group works, and what inputs would or would not satisfy it.
Example use cases
Demystifying a password validation regex
“I found this regex in our codebase and have no idea what it enforces: ^(?=.*[A-Z])(?=.*[a-z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$ — can you explain it in plain English?”
Understanding an email extraction pattern
“What does this regex actually match? I need to know before adding it to our parser: [a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}”
Reviewing a URL validation rule
“Our QA team flagged this regex as possibly too permissive — can you explain exactly what strings it would accept: https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&\/\/=]*)”
Technical details
Endpoint
POSThttps://dev-5090-box.tailfb4c1f.ts.net/v1/regex-explain?utm_source=zero.xyzWhen to prefer
Choose this endpoint when a developer or agent needs a human-readable explanation of an existing regex pattern — especially for onboarding, code review, or debugging. Prefer it over general-purpose LLM chat when you want a focused, cost-effective single-call explanation without conversational overhead. Ideal when you already have the regex string and just need it decoded.
Side effects
- Empty or missing regex pattern in message content returns an error or unhelpful response
- Extremely complex or malformed regex may produce an incomplete explanation
- Network timeout if the local RTX 5090 inference server is under load
- Non-regex input (e.g. plain text) may be processed but produce a nonsensical explanation
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| usage | object | |
| choices | array |
Tags
x402
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