:set formatoptions+=j
Adding the j flag to formatoptions causes Vim to strip the comment leader from the second line when two comment lines are joined with J.
zO
zO (uppercase O) opens the fold under the cursor and all folds nested inside it recursively.
:'<,'>center / :'<,'>right / :'<,'>left
Vim has built-in Ex commands to align text within a specified width: :center, :right, and :left.
crs / crc / crm / cru
The vim-abolish plugin adds coercion operators that instantly convert the word under the cursor between common naming conventions.
plugins #editing #text-objects #plugins #normal-mode #formatting
das
Vim defines a sentence as text ending with .
editing #editing #text-objects #delete #normal-mode #motions
:set nrformats+=hex
By adding hex to the nrformats option, you tell Vim to recognise hexadecimal literals such as 0xFF or 0xDEAD when or is pressed.
:set diffopt+=algorithm:histogram
Switches Vim's diff algorithm from the default Myers algorithm to histogram, which produces more semantically meaningful diffs by avoiding false matches between
:set formatoptions-=cro
By default, Vim continues the current comment leader when you press in insert mode or open a new line with o/O.
\u / \l / \U / \L (in :s replacement)
Vim's :substitute replacement string supports case-conversion modifiers that let you uppercase or lowercase matched text without writing a separate command.
:[range]join
The :[range]join Ex command lets you join lines by specifying an explicit line range — without having to navigate there or use visual selection.
:[range]center / :[range]right / :[range]left
Vim has built-in Ex commands for text alignment: :center, :right, and :left.
:sort r /pattern/
The :sort r /pattern/ command sorts lines using the matched portion of the regex as the sort key.
:for i in range(1,5) | put ='item '.i | endfor
Vimscript's for loop is available directly from Vim's command line and can be used to generate repetitive or parameterized text without a macro or external scri
:e +{cmd} {file}
The :e +{cmd} {file} form opens a file and executes an Ex command immediately after loading it.
:%s/\r//g
When a file created on Windows is opened in Vim on a Unix system, lines may retain \r (carriage return) characters, displayed as ^M at the end of each line.
:[range]center [width]
Vim's built-in :left, :center, and :right Ex commands align text without plugins or external tools.
inoremap <Left> <C-g>U<Left>
In insert mode, any cursor movement — including arrow keys, Home, and End — causes Vim to split the undo block at that point.
:let @a = @"
Vim's :let command lets you read and write register contents as strings, making it possible to copy, combine, or modify register values without ever leaving the
<C-v>{motion}I{text}<Esc>
Visual block mode () lets you select a rectangular region across multiple lines.
:split #
In Vim, # is a special filename that always refers to the alternate file — the most recently active buffer before the current one.
