# parse_number() as a SQLite extension: C vs Rust

Source: [Simon Willison's Weblog](https://simonwillison.net/2026/Nov/8/sqlite-parse-number-c-vs-rust/) · 2026-11-08 · AI
Page: https://themorning.dev/story/parse-number-as-a-sqlite-extension-c-vs-rust-9572242cc9fc8ca1

Research: parse_number() as a SQLite extension: C vs Rust I was out walking the dog when I got curious about how easy/difficult it would be to write a SQLite C extension that adds a parse_number() function for turning strings like -$1,234.56 or '12.5%' into numeric values that…

## Coverage

- [parse_number() as a SQLite extension: C vs Rust](https://simonwillison.net/2026/Nov/8/sqlite-parse-number-c-vs-rust/) — Simon Willison's Weblog, 2026-11-08

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