https://sudonull.com/regexp-escape-escapes-letters-and-spaces-why
Breakdown of RegExp.escape(): escaping digits, letters, spaces for RegExp concatenation. Code examples, comparison with custom functions. For middle/senior JS developers.
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https://sudonull.com/speeding-up-regex-search-with-trigrams-in-cursor
Local indexing of trigrams and sparse n-grams speeds up code search for AI agents. Reducing time from 15s to milliseconds in large repositories. More details for developers.
https://sudonull.com/cursor-trigram-indexes-for-fast-regex-search
Learn how Cursor sped up regex search in the IDE via local trigram indexes and sparse n-grams. Details on implementation for monorepo. Dive into optimization for middle/senior dev.
https://sudonull.com/bypassing-pac1-without-ai-finite-state-machine-in-python
Learn how to create Zero-Cost Agent for PAC1 benchmark: regex script bypasses security traps and manages state without LLM. Full code and analysis for developers.
https://sudonull.com/javascript-date-parser-hidden-errors-and-fixes
Breakdown of the new Date(string) mechanism in JS: why it parses any text, timezone problems and how to avoid bugs in production. For developers: regex-validation and alternatives.
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