mode()
The mode() function returns a short string identifying the current editing mode — 'n' for Normal, 'i' for Insert, 'v' for Visual character-wise, 'V' for Visua
macros #macros #normal-mode #visual-mode #insert-mode #editing
input({prompt})
The built-in input() function pauses execution, displays a prompt at the bottom of the screen, and returns whatever the user types before pressing Enter.
pumvisible()
The pumvisible() function returns 1 when the insert-mode completion popup menu (pum) is visible, and 0 otherwise.
:iabbrev <expr> {trigger} {expression}
The flag on :iabbrev turns the right-hand side into a Vimscript expression that is evaluated at expansion time rather than stored as a literal string.
:set guicursor=n-v-c:block,i-ci-ve:ver25,r-cr:hor20
Neovim's guicursor option lets you assign a distinct cursor shape and style to each mode, providing immediate visual feedback about which mode you are in.
<C-u> (command line)
When you are typing a long Ex command on the : prompt and realise you've made a mistake, pressing erases everything from the cursor back to the beginning of the
command-line #command-line #ex-commands #editing #insert-mode
'^
Vim automatically maintains a special mark ^ that records the exact position of the cursor the last time you left insert mode.
set completeopt+=popup
Adding popup to completeopt makes Vim display extra information — such as function signatures or documentation — for the currently highlighted completion it
<C-k>{digraph}
Vim's digraph system lets you insert special characters, accented letters, and symbols by typing a memorable two-character sequence.
set complete+=kspell
Adding kspell to the complete option makes and draw from the active spell word list — every word Vim considers correctly spelled.
<C-g>U{motion}
By default, moving the cursor with arrow keys while in insert mode creates an undo break — meaning a subsequent u will undo only back to when you last moved,
:set infercase
The infercase option makes Vim's keyword completion smart about capitalization: it adapts each match to reflect the casing of the characters you've already type
:set commentstring=//\ %s
The commentstring option controls the template Vim uses to represent commented-out lines.
<C-x><C-d>
in insert mode triggers defined identifier completion — it searches for identifiers that match the partial word before the cursor by scanning #define statemen
:stopinsert
:stopinsert is an Ex command that immediately exits insert (or replace) mode and returns to normal mode.
command-line #insert-mode #ex-commands #autocommands #normal-mode
CursorHold
The CursorHold autocommand event fires once whenever the cursor has been motionless in normal mode for updatetime milliseconds.
<C-v> (command-line mode)
In command-line mode (after : or /), pressing followed by any key inserts that key literally — bypassing all key notation, mappings, and special interpretatio
ea
The ea compound shortcut moves to the last character of the current word with e, then enters insert mode after the cursor with a.
<C-r><C-r>x
When you press x in insert mode to paste a register, Vim inserts the text "as if you typed it" — meaning autoindent, textwidth, and other insert behaviors can
:nnoremap <expr> {key} {expression}
The argument to any map command (:nmap, :inoremap, etc.
config #config #macros #insert-mode #normal-mode #ex-commands
