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Find matches and capture groups

Find the first match (or all matches with all=true) of a RE2 pattern, returning each match's text, start/end offsets, and numbered and named capture groups. No match is a successful 200 with an empty match list.

Visit regex.openverbs.com

Hostregex.openverbs.com
Price$0.004 per call
NetworkBase
Paid endpoints listed4
Calls, last 30 days*8
Most unique payers on one endpoint (30 days)*2
Last paid call*2026-10-08
Tagsfind regex matches, regex capture groups, extract pattern matches, named group lookup, re2 match api, test regex, regex match boolean, check pattern match

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URLMethodPrice
https://regex.openverbs.com/v1/match
Find the first match (or all matches with all=true) of a RE2 pattern, returning each match's text, start/end offsets,…		POST$0.004
https://regex.openverbs.com/v1/test
Test whether a RE2 pattern matches anywhere in the input. Returns { matched }. RE2 guarantees linear-time evaluation,…		POST$0.004
https://regex.openverbs.com/v1/replace
Replace matches of a RE2 pattern with a replacement string. Replaces all matches by default (set all=false for…		POST$0.004
https://regex.openverbs.com/v1/split
Split the input into parts on each match of a RE2 pattern. An optional limit caps the number of parts (0 = unlimited).…		POST$0.004

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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