slevithan/xregexp
Extended JavaScript regular expressions observed · 2026-08-28
Health v2 · maintenance only
55/100
- Activity 71
- Release rhythm 8
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 5304
- days_rel: 558
- days_push: 176
- n_releases_24m: 1
Adoption not part of the score
3325 stars · 273 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
XRegExp is a JavaScript library providing augmented, extensible regular expressions with modern syntax and flags beyond native browser support, plus utility methods for matching and replacing. It compiles to native RegExp objects and helps smooth over cross-browser regex inconsistencies, though many features are now part of modern JS standards.
Use cases
- use named capture groups in older browsers
- write free-spacing commented regexes in javascript
- extend unicode property matching to legacy browsers
- parse strings with regexes consistently across browsers
- find matches within matches with sticky matching
When to choose
- you must support legacy browsers like IE9+ lacking modern regex features
- you want regex utility helpers like named backreference replacement and sticky iteration
When to avoid
- you target only modern JavaScript engines with native named capture and unicode properties
- you want the latest advanced regex features - consider Regex+, the successor
Facets
library · maturity maintenance
parser developer-tools developer-tools web-development parsers browser cross-platform regex regular-expressions javascript unicode text-parsing nodejs
3 sources
- readme: https://github.com/slevithan/xregexp · fetched 2026-08-28 · 13f80faaac86
- homepage: http://xregexp.com/ · fetched 2026-08-29 · 00eab4397a11
- registry_npm: https://registry.npmjs.org/xregexp · fetched 2026-08-29 · a3880d5ba5c7
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| slevithan/xregexp | main | 55 |
For agents
markdown · JSON · MCP: product_card(name="slevithan/xregexp")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem