<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
:0put
The :put Ex command inserts register contents as a new line below the specified line number.
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.
gUU
The gUU command uppercases every character on the current line instantly — no visual selection or motion required.
:%s/\n/ /g
Using \n in the pattern of :substitute matches the newline character at the end of each line, letting you join lines with any separator you choose — something
:set formatprg=<cmd>
When formatprg is set, the gq operator pipes the selected text through that external program and replaces it with the program's output.
it and at
Vim provides two built-in text objects for HTML and XML tags: it (inner tag) and at (a tag).
editing #text-objects #editing #visual-mode #html #normal-mode
<C-c>
exits insert mode immediately but silently skips two important side effects that (and its equivalent ) always trigger: abbreviation expansion and InsertLeave au
zv
zv (view cursor) opens the minimum number of folds needed to make the current line visible — nothing more.
:spellrepall
After correcting a misspelled word with z= (or 1z= for the first suggestion), run :spellrepall to apply that same correction to every other occurrence of the id
<C-u> in insert mode
Pressing while in insert mode deletes all characters entered since you last entered insert mode on the current line.
gw
The gw operator reformats text to fit within textwidth, just like gq — but with one key difference: gw leaves the cursor in its original position after format
:'<,'>norm! A;
The :normal Ex command lets you execute any Normal mode keystrokes on a range of lines simultaneously, turning a single-line operation into a multi-line batch e
editing #editing #normal-mode #ex-commands #visual-mode #text-manipulation
ZQ
ZQ is the discard-and-quit counterpart to ZZ.
{count}J
The J command joins the current line with the line below, adding a space between them.
zfap
Combining the fold-creation operator zf with the ap (around paragraph) text object gives you a quick way to collapse any paragraph into a single fold line.
<C-@>
Pressing (Ctrl + @, which is the NUL character) in insert mode inserts the same text that was typed during the most recent insert session, then immediately retu
<C-x><C-v>
The key sequence in insert mode triggers Vim command-line completion — the same completion engine used at the : command prompt.
:%center 80
Vim has three built-in Ex formatting commands — :left, :center, and :right — that align text within a specified column width.
:put {reg}
The :put Ex command always inserts a register's content as a new line below the current line, regardless of whether the register holds characterwise, linewise,
editing #registers #editing #paste #ex-commands #normal-mode
