How do I match an optional sequence of characters at the end of a word in a Vim regex?
\%[abc]
The \%[.
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Searching...How do I display a visual column showing fold depth and fold markers on the side of the buffer?
:set foldcolumn=3
The foldcolumn option adds a narrow column on the left side of the window that visually represents the fold structure of the file.
How do I open or close folds one level at a time across the entire file?
zr and zm
The zr and zm commands let you incrementally adjust the global fold depth across the entire buffer — one level at a time.
How do I insert all completion matches at once on the command line instead of cycling through them one by one?
<C-a> (command-line mode)
In command-line mode, inserts all completions for the word before the cursor at once, as a space-separated list.
How do I load a pre-built compiler configuration to set makeprg and errorformat together?
:compiler {name}
The :compiler command loads a compiler plugin from Vim's runtime path, setting both makeprg (the build command) and errorformat (the error parsing pattern) in o
How do I integrate a custom build tool or test runner with Vim's :make command and quickfix list?
:set makeprg={command}
Vim's :make command runs a build program and automatically loads its output into the quickfix list so you can jump directly to errors and warnings.
How do I center or right-align a block of text using Vim's built-in Ex commands?
:{range}center [width]
Vim provides three built-in Ex commands for text alignment: :center, :right, and :left.
How do I change the working directory to the folder containing the current file without affecting other windows?
:lcd %:p:h
:lcd %:p:h sets the working directory for the current window to the directory of the file you're editing, using Vim's path expansion modifiers.
How do I inspect all syntax highlight groups stacked under the cursor to debug colorscheme or syntax issues?
:echo map(synstack(line('.'), col('.')), 'synIDattr(v:val, "name")')
When syntax highlighting looks wrong or a colorscheme override isn't taking effect, you need to know exactly which highlight groups are active under the cursor.
How do I execute the contents of the system clipboard as a Vim macro?
@+
In Vim, @{register} executes the contents of any register as a macro.
How do I change the case of matched text in a substitute replacement using \u, \U, \l, or \L modifiers?
:s/\(\w\+\)/\u\1/g
Vim's substitute command supports case-change modifiers in the replacement string that let you capitalize, uppercase, or lowercase matched text as part of the s
How do I count the number of lines containing a pattern without making any replacements?
:%s/pattern//n
The n flag in the substitute command suppresses the actual replacement and instead reports the match count.
How do I replace only part of a matched pattern using \zs and \ze in a substitution?
:%s/\zsparseData\ze(/processData/g
Vim's \zs and \ze atoms let you include context in your search pattern without including that context in the replacement.
How do I make the Neovim jump list behave like a browser history stack instead of a ring?
:set jumpoptions=stack
By default Vim's jump list is a ring: if you press to go back several positions and then make a new jump, the list wraps around and future entries are preserved
How do I hide or replace the ~ characters that appear at the end of a buffer?
:set fillchars+=eob:
By default, Vim fills empty lines after the end of a buffer with ~ characters.
How do I enable a popup menu for command-line tab completion in Neovim?
:set wildoptions=pum
Setting wildoptions=pum tells Neovim to use its popup menu for command-line tab completion instead of the traditional horizontal wildmenu bar.
How do I enable inline character-level diff highlighting in Neovim's diff mode?
:set diffopt+=linematch:60
Neovim's linematch diffopt enables intra-line diff highlighting — instead of marking an entire changed line, Neovim highlights only the specific characters th
How do I add more keystrokes to the end of an existing macro without re-recording the whole thing?
qQ (or any uppercase register letter)
When recording a macro with qq, you can append additional keystrokes to the existing macro by recording into the uppercase version of the same register.
How do I create a mapping that runs an Ex command without switching modes or affecting the current state?
nnoremap <key> <Cmd>command<CR>
The special key (Vim 8.
config #config #macros #ex-commands #normal-mode #insert-mode
How do I export my syntax-highlighted Vim buffer to an HTML file?
:TOhtml
The :TOhtml command converts the current buffer — complete with its syntax highlighting colors — into a standalone HTML file.