# lukehaas/RegexHub

A collection of useful regex patterns

Repository: https://github.com/lukehaas/RegexHub
Canonical: https://ross.abutalabs.com/products/regexhub
Language: JavaScript
License: MIT
License Family: permissive
Last push: 2025-02-21T15:05:50+00:00

## Health v2 (maintenance only)
Score: 35/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 7, release rhythm 35, longevity 100
- inputs: {"age_days": 3571, "days_push": 558, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2309, forks 115 (observed 2026-08-28T04:06:35.986452+00:00)

## What it is
RegexHub is a curated collection of useful regular expression patterns with names, descriptions, and tags, browsable on a hosted website. It serves as a reference library for developers looking for ready-made regex patterns.

## Use cases
- find a regex for validating emails
- look up common regex patterns
- copy a regex for phone number validation
- browse regex patterns by tag
- reference for writing regular expressions

## When to choose
- you need a quick, ready-made regex pattern
- you want a browsable reference of common regexes
- you are learning regular expressions through examples

## When to avoid
- you need a regex testing or debugging tool
- you need programmatic regex matching in your app
- you need exotic or highly specialized patterns not in the collection

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: developer-tools, parser
- domain: developer-tools, tutorials, awesome-lists
- platform: -
- tags: regex, patterns, reference, cheatsheet, web

## Member repositories
- lukehaas/RegexHub (main) score 35

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:35.986452+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T02:39:35.716988+00:00, confidence not recorded.
  - readme: https://github.com/lukehaas/RegexHub (fetched 2026-08-28T04:06:35.986452+00:00, sha dd0a30b1bbdb)
- Data as of 2026-08-30T08:39:29.467469+00:00.