crep - like grep but for code What is crep? If grep and etags had a baby. You should use ctags or etags. Seriously. This is an experimental thingy. https://en.wikipedia.org/wiki/Ctags https://www.emacswiki.org/emacs/TagsFile Additional resources https://en.wikipedia.org/wiki/Boyer%E2%80%93Moore_string-search_algorithm https://en.wikipedia.org/wiki/Levenshtein_distance https://github.com/tree-sitter/tree-sitter https://tree-sitter.github.io/tree-sitter/playground https://dreampuf.github.io/GraphvizOnline/