I stopped ChatGPT from using em dashes
Hey everyone, I built a small Chrome extension that automatically removes em dashes from ChatGPT responses. It uses a few regex rules to guess the appropriate replacement punctuation (usually commas or periods). Goodbye AI slop!
I stopped ChatGPT from using em dashes launched on October 31, 2025 with 6 votes and more than 75% of that year's launches.
What it does
Contribute to nckclrk/rm-em-dashes development by creating an account on GitHub.
A Chrome extension that removes em dashes (—) from ChatGPT pages and replaces them with appropriatefrom github.com
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- HNHacker News em dash user leaderboard pre-ChatGPT2025 · gally.net · ▲377
The use of the em dash (—) now raises suspicions that a text might have been AI-generated. Inspired by a suggestion from dang [1], I created a leaderboard of HN users according to how many of their posts before November 30, 2022—that is, before the release of ChatGPT—contained em dashes. Dang himself comes in number 2—by a very slim margin. Credit to Claude Code for showing me how to search the HN database through Google BigQuery and for writing the HTML for the leaderboard. [1] https://news.ycombinator.com/item?id=45053933



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