ABNF is a data format recognized by GitHub Linguist and used with .abnf.
Quick facts
What is ABNF
ABNF is a data format recognized by GitHub Linguist and used with .abnf.
GitHub Linguist classifies ABNF as a data format, typically using extensions such as .abnf.
File extensions:
Related languages
Frequently asked questions
ABNF is a data format recognized by GitHub Linguist and used with .abnf.
Common extensions include .abnf.
Sources & standards
Updated 2026-08-18
Explore this reference