#ebnf

Live, measured metrics for the hashtag #ebnf from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #ebnf

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$2,449.80/ year · 4-character #name
Claim #ebnf — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
14
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 14
0
Avg reactions / post
Mastodon · last 14
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-10-22 20:50 UTC
0
10-16
0
10-17
0
10-18
0
10-19
0
10-20
0
10-21
1
10-22

1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.online (Mastodon public search API) · fetched 2026-10-22 20:50 UTC

No related tags with measured usage found for #ebnf.

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-10-22 20:50 UTC

Everything below is measured over the latest 14 public posts (spanning ~48176 hours).

Posting hours (UTC) — busiest: 01:00

00:0012:0023:00

Languages: English (11) · German (1) · Japanese (1) · Russian (1)

Avg boosts / post: 0.6

Top of the latest posts

  • Weil ich die Diagramme selbst für meine Artikel nutze kam als Abfallprodukt ein Artikel über #EBNF heraus - wie so häufig eine Diagrammart, die sich hervorragend mit #PlantUML generieren lässt - und damit in KI-Zeiten brilliant! https://oer

    oer-informatik.de@[email protected]♥ 0↻ 12026-10-22 13:34 UTCView post →

  • Version 0.3.2 of nutthead-ebnf for Typst is now available. The 0.2.x design has been discarded and replaced with something more ergonomic. The rendering, I dare say, has become significantly more pleasant. https://github.com/nutthead/nutthe

    Behrang@[email protected]♥ 0↻ 02025-12-16 03:01 UTCView post →

  • There is a lack of EBNF tools written in C/C++ that generate First and Follow sets. Most of them are web tools without source code and I want something to run locally. I've seen one in Go and some in Python. They don't look complete or well

    Niels Moseley@[email protected]♥ 0↻ 12025-09-19 19:57 UTCView post →

What “ebnf” means

Wikipedia

In computer science, extended Backus–Naur form (EBNF) is a family of metasyntax notations, any of which can be used to express a context-free grammar. EBNF is used to make a formal description of a formal language such as a computer programming language. They are extensions of the basic Backus–Naur form (BNF) metasyntax notation. The earliest EBNF was developed by Niklaus Wirth, incorporating some of the concepts from Wirth syntax notation. Today, many variants of EBNF are in use. The Internatio

“Extended Backus–Naur form” on Wikipedia (CC BY-SA) →

#ebnf across platforms

every network with a public tag surface

Follow #ebnf straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/ebnf