Type a query to find documents containing that exact substring. Results are ranked by BM25 relevance.
Boolean operators
rust zig — implicit AND, documents containing both
rust AND zig — same as above
rust OR zig — documents containing either
rust NOT zig — documents with rust but not zig
"rust programming" — exact phrase (with spaces)
(rust OR zig) AND go — grouped expressions
NOT rust — everything except rust
Keyboard shortcuts
/ — focus search
Esc — clear search
↑↓ — navigate results
Crawling
Enter a full URL (with https://) to crawl and index a page and its linked pages.
About souyi
A private, self-hosted search engine. All data stays on your server. Supports mixed-language search (English, CJK, etc.), boolean operators, and dark mode.