.lex
1 claimant
0 primary
1 secondary
secondary-only
SWH popularity
From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.
Case variants in archive: .lex (90.0K), .LEX (266), .Lex (43), .LeX (2), .lEx (1) — aggregated above.
Attribution status
This extension is attributed to Lex — every claim across all sources (including secondary ones) points to a single language.
Authoritative sources: △ Linguist · secondary ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim
Disagree or have a correction? Open a labelling issue.
Claimants (1)
Languages that list .lex among their extensions. Strength reflects whether the upstream source treated it as their primary extension.
| Language | Source | Strength |
| Lex | linguist | secondary |
Wikidata says… (2)
File formats, image formats, audio codecs and other non-PL
entities that claim .lex 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.
SWH-mined examples (1)
Real archived programs with this extension, byte-verified against the SWH archive. Useful for deciding what this extension actually is when the attribution is uncertain.
swh:1:cnt:eeb8535c186e82ef4c1bbd5148f84bfbd5a4cfac;origin=https://github.com/qingtianxt/IQAA-Maven;anchor=swh:1:rev:c1a8a6c072223d4e8f58c4a477f74c68e3696b29;path=/config.lexicon/lex-en.lex