Fast regex search: indexing text for agent tools
11 hours ago
- #agent-tools
- #regex-search
- #text-indexing
- The evolution of text search tools from grep to modern agent tools.
- Introduction of ripgrep as a faster alternative to grep with better defaults.
- Challenges with ripgrep in large monorepos leading to slow searches.
- Historical context of indexing text for regex searches, including n-grams and inverted indexes.
- Explanation of trigram decomposition for efficient regex matching.
- Introduction of suffix arrays as an alternative indexing method.
- Discussion on probabilistic masks and sparse n-grams for smarter indexing.
- Advantages of local indexing for speed, privacy, and freshness.
- Technical details on how indexes are stored and queried in client machines.
- Impact of fast text search on agent workflows, especially in large repositories.