Emacs: Search Function by Name

By Xah Lee. Date: . Last updated: .

List All Symbols (names)

Alt+x apropos

List all Symbol (commands, functions, variables, Font Face) whose names match a Regular Expression pattern.

List All Commands

Alt+x apropos-command

List all commands whose names match a Regular Expression pattern.

  • commands are subset of function.
  • commands are functions that can be called interactively.

List All Functions

Ctrl+u Alt+x apropos-command

List all commands and functions whose names match a Regular Expression pattern.

Search in Manual

Emacs comes with Emacs manual and emacs lisp manual. 〔see Emacs: View Info Page

Alt+x elisp-index-search

Search the emacs lisp manual.

Alt+x emacs-index-search

Search the emacs manual.

Reference

Elisp, Doc Lookup