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klymax402 Regex Generator & Tester
x402
klymax402 Regex Generator & Tester is a paid API for AI agents from klymax402.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).
Tests one or more strings against a regular expression pattern and returns match results with an explanation
Price / call$0.003
Success—
StatusUnknown
How this service works
One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.
Output
Returns a JSON object containing the original pattern and flags, an array of per-string match results (indicating whether each string matched and what was captured), the total number of matches across all test strings, and a human-readable explanation of what the regex pattern does.
Example use cases
Email format validation
“I have a list of email addresses — 'alice@gmail.com', 'bob@', 'carol@company.co.uk', and 'notanemail' — can you test them against a standard email regex pattern and tell me which ones are valid?”
Phone number extraction check
“Test the strings '555-123-4567', '(800) 555-1234', '12345', and 'call me' against the pattern `\d{3}[-.]?\d{3}[-.]?\d{4}` with the global flag and show me which ones match and how many total matches there are.”
Debug a broken regex
“My regex `^[A-Z][a-z]+\s[A-Z][a-z]+$` is supposed to match full names like 'John Smith' — can you test it against 'John Smith', 'john smith', 'Alice', and 'Bob Jones' and explain why some don't match?”
Technical details
Endpoint
GEThttps://klymax402.com/api/regex-generator/api/testWhen to prefer
Choose this endpoint when you need to test a regex pattern against multiple strings in a single call and also want a plain-English explanation of the pattern's behavior. It is well-suited for agents building data validation pipelines, debugging user-supplied regex, or batch-checking string lists without spinning up a code execution environment.
Side effects
- Invalid regex pattern syntax causes an error response
- Empty testStrings array returns empty results
- Unsupported flag characters may be ignored or cause errors
- Very complex patterns with catastrophic backtracking may time out
- Payment failure (402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| flags | string | Regex flags: g, i, m, s, u (default: g) |
| pattern | string | Regular expression pattern (without delimiters) |
| testStrings | array | Array of strings to test against the pattern |
Output
Schema · Response
{
"type": "json",
"example": {
"flags": "example",
"pattern": "example",
"results": [],
"explanation": "example",
"totalMatches": 1
}
}Tags
x402
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