.rexDistinct files in the full Software Heritage archive (2026-06-04 export), dated by first appearance, following Desmazières, Di Cosmo, Lorentz (MSR 2025). Case-aggregated. citation.
Case variants in archive: .rex (20.2K), .Rex (1.7K), .REX (1.1K), .rEx (1) — aggregated above.
This extension is attributed to Rexx as primary by 1 authoritative claim.
.rex among their extensions. Strength reflects whether the upstream source treated it as their primary extension.| Language | Source | Strength |
|---|---|---|
| Rexx | wikidata | primary |
| ARexx | pygments | secondary |
| Rexx | linguist | secondary |
| Rexx | pygments | secondary |
.rex on Wikidata
(property P1195) or in the Wikipedia infobox.
Source: data/derived/external_extension_index.csv.
Click Use as new PL on any row to open the
Add-PL form pre-filled with that entry's name, Wikipedia/Wikidata
URL, and this extension — one submission creates the PL + claim.
| Format | Class (Wikidata P31) | Suggested label | MIME | Notes | Action |
|---|---|---|---|---|---|
| REX2 Q7276404 file format | file format | — | — | — | Use as new PL ↗ |
| Rexx source code file Q128034125 file format | file format | — | text/x-rexx | — | Use as new PL ↗ |