The CMS, who maintain these codes, describe the format as:- "HCPCS Level II codes (also known as alpha-numeric codes) consist of a single alphabetical letter followed by 4 numeric digits." (https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system) NOTE: This regex will not ide...

Number string where only zeros follow the first digit

This regex can be used to validate IPv4 and IPv6 addresses as well as CIDR ranges

matches for any markdown Masked link text detected `` not detected (not valid(on most platforms))

VALID_IP checker

Regexp to match URI-reference using syntax defined in RFC 3986 a.k.a. Uniform Resource Identifier (URI): Generic Syntax to create best URI-reference regexp there is (noone bothered to do so). #URL #URI #RFC #3986 #RFC3986

Regexp to match URI using syntax defined in RFC 3986 a.k.a. Uniform Resource Identifier (URI): Generic Syntax to create best URI regexp there is (noone bothered to do so). #URL #URI #RFC #3986 #RFC3986

handles both JWS (3 segments) and JWE (5 segments) remove the ending (?:(?:... to handle JWS only payload (2nd segment) may be empty both header (1st segment) and payload are expected to start with eyJ, a base64 encoded start of JSON object {" accepts only proper Base64url encoding (RFC 4648) with...

Purpose I wanted to make a regex that just works. This is it for ECMAScript engines. Capabilities ...

Regex for matching Russian car plate without region

Fixes battlemetrics newline formatting

changelog

Next.js middleware config matcher regex ~ https://nextjs.org/docs/app/building-your-application/routing/middleware#matcher ~ https://nextjs.org/docs/app/api-reference/file-conventions/middleware#config-object-optional Public - skip middleware /api/auth/*...

checklists item

/* -- This is a RegEx for validating one Italian ATECO code. -- For original specification visit: http://www.istat.it/it/archivio/17888 -- Valid: */ 1...

This regex matches roman numbers from 1 (I) to 3999 (MMMCMXCIX)