Simon Willison’s Weblog

16th February 2022

TIL Combining substr and instr to extract text — Derek Willis has [a Datasette instance full of political campaign emails](https://political-emails.herokuapp.com/) running on Heroku.

Posted 16th February 2022 at 2:05 am

Recent articles

Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026
Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026

This is a beat by Simon Willison, posted on 16th February 2022.

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