How do I set the leader key for custom mappings?
let mapleader = " "
The leader key is a prefix for custom mappings.
Search: :e!
488 results for ":e!"
How do I programmatically get the count of diagnostics by severity in Neovim Lua?
vim.diagnostic.count()
vim.
How do I add Emacs-style editing shortcuts to Vim's command line?
:cnoremap <C-a> <Home>
Vim's command line has limited navigation by default.
How do I transform matched text to uppercase or lowercase directly inside a substitute replacement?
:s/pattern/\U&/g
Vim's :substitute command supports case-transformation escape sequences in the replacement string.
search #search #substitute #ex-commands #editing #text-objects
How do I configure command-line Tab completion to show a list and complete the longest common match first?
:set wildmode=list:longest,full
Vim's default Tab completion in the command-line cycles through matches one at a time, making it hard to see all available options at once.
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 quickly insert the current file's directory into a command-line prompt without typing the full path?
:cnoremap %% <C-r>=expand('%:h').'/'<CR>
By mapping %% in command-line mode, you can type %% wherever you would normally type a path and have Vim automatically expand it to the directory of the current
How do I run a substitution without overwriting my current search pattern?
:keeppatterns {command}
The :keeppatterns modifier runs an Ex command — typically :s, :g, or :v — without modifying @/ (the last search pattern) or the command history.
command-line #ex-commands #search #substitution #command-line #scripting
How do I open a file in a split window and jump directly to the first match of a pattern?
:sp +/{pattern} {file}
The +{cmd} syntax lets you run an Ex command immediately after a file is opened.
How do I see the raw UTF-8 byte values of the character under the cursor?
g8
Pressing g8 in normal mode displays the UTF-8 encoding of the character under the cursor as a sequence of hex bytes.
How do I make Vim automatically change the working directory to the file I'm editing?
:set autochdir
The autochdir option tells Vim to automatically change the current working directory to the directory of the file in the active window whenever you switch buffe
How do I uppercase or lowercase matched text directly in a substitute command?
:%s/pattern/\U&/g
Vim's substitute replacement string supports special case-transform atoms that change the case of matched text without requiring a second pass or an external to
How do I prevent Vim's file completion and wildcard expansion from matching build artifacts or binary files?
:set wildignore
:set wildignore defines a comma-separated list of glob patterns that Vim excludes from wildcard expansion and file completion.
How do I jump to the next LSP diagnostic error or warning in Neovim?
vim.diagnostic.goto_next()
Neovim's built-in vim.
How do I quickly append text to the end of a word under the cursor in Vim?
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.
How do I insert special Unicode characters and symbols using Vim's built-in digraph system?
<C-k>{two-chars}
Vim's digraph system lets you type hundreds of special characters — arrows, fractions, accented letters, currency symbols, and more — using intuitive two-ch
How do I remove trailing whitespace from all lines?
:%s/\s\+$//
The :%s/\s\+$// command removes trailing whitespace (spaces and tabs) from every line in the file.
How do I jump only to error-level diagnostics and skip warnings and hints in Neovim?
:lua vim.diagnostic.goto_next({severity = vim.diagnostic.severity.ERROR})
Neovim's built-in diagnostic system (vim.
How do I call one macro from inside another macro in Vim?
When recording a macro, you can execute another macro inside it by pressing @b (or any register) during the recording.
How do I convert a visually selected block of text to uppercase or lowercase?
U
In visual mode, pressing U converts all selected characters to uppercase and u converts them to lowercase.