{"uid":"cap_lZR-J_OUzY6XBCLVbreLn","slug":"regex-builder-from-natural-language-b4230b4e","name":"Regex Builder from Natural Language","description":"Build a regex from a natural-language description. Returns just the regex + one test string.","url":"https://pearl-valium-stickers-upc.trycloudflare.com/v1/regex-build?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"usage":{"type":"object"},"choices":{"type":"array"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VDRTFEzsJzG7mnf4JDsXP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a plain-English description into a regular expression, returning the regex pattern and one example test string.","exampleAgentPrompt":"Can you build me a regex that matches US phone numbers in formats like (555) 867-5309 or 555-867-5309, and give me a test string that it should match?","exampleUseCases":[{"title":"Validate email addresses in form input","prompt":"I need a regex that matches valid email addresses — like user@example.com or first.last+tag@subdomain.org — and give me a sample string I can test it with."},{"title":"Extract dates from log files","prompt":"Build me a regex that captures dates in YYYY-MM-DD format from log lines, and include an example matching string."},{"title":"Match product SKU codes","prompt":"I need a regex that matches product SKUs like ABC-12345 or XYZ-99999 — a three-letter prefix, a dash, and five digits — and give me a test string that matches it."}],"resultDescription":"Returns the generated regex pattern as a string and one example test string that the regex should match, allowing immediate validation of the pattern.","failureModes":["Ambiguous or contradictory natural-language description may produce an incorrect or overly broad regex","Very complex pattern requirements may exceed the model's ability to produce a correct single-pass regex","The test string may not cover edge cases or negative matches","Service may be temporarily unavailable if the Cloudflare tunnel or local RTX 5090 host is offline","Response latency may spike under concurrent load on shared local hardware"],"whenToPreferThis":"Choose this endpoint when you need to quickly convert a plain-English pattern description into a working regex without writing it yourself — especially useful for developers, data engineers, or agents that need to validate or extract text patterns on the fly. Prefer this over generic LLM chat when you need a structured, ready-to-use regex + test string output rather than a free-text explanation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:39:34.839Z","isFirstParty":false,"canonicalSlug":"regex-builder-from-natural-language-b4230b4e"}