How do I programmatically manipulate register contents using setreg and getreg?
:call setreg('a', @a . 'text', 'l')
How it works Vim provides two functions for advanced register manipulation: setreg() and getreg().
Tag: ex-commands
How do I use a register value as the replacement string in a substitution?
:%s/pattern/\=@a/g
How it works In Vim's substitute command, the replacement string can be a Vimscript expression when prefixed with \=.
How do I execute the contents of a register as an Ex command?
:@a
How it works The command :@a executes the contents of register a as an Ex command.
How do I insert register contents into the command line?
:<C-r>a
How it works While typing an Ex command on the command line (after pressing :), you can insert the contents of any register by pressing Ctrl-R followed by the r
How do I paste the contents of a register at a specific line number without moving my cursor?
:{line}put {register}
How it works The :put Ex command pastes the contents of a register after a specified line.
How do I search for a pattern only within specific columns of a line?
/\%>5c\%<20cpattern
How it works Vim's search patterns support column position constraints using the \%c family of atoms.
How do I search and replace only whole words and not partial matches in Vim?
:%s/\<word\>/replacement/g
How it works In Vim's regular expressions, \ are word boundary anchors: \ matches the end of a word.
How do I create text abbreviations that auto-expand while typing in Vim?
:iabbrev {abbr} {expansion}
How it works The :iabbrev command creates abbreviations that automatically expand when you type them in insert mode.
How do I match a pattern but only highlight or capture part of it using \zs and \ze?
\zs and \ze
How it works Vim's \zs (set start) and \ze (set end) atoms let you define which portion of a pattern counts as the actual match, even though the full pattern is
How do I move a line or range of lines to a different location in the file?
:m {address}
How it works The :m command (short for :move) moves one or more lines to after the specified address.
How do I copy all lines matching a pattern to the end of the file?
:g/pattern/t$
How it works The :g (global) command combined with :t (copy) lets you duplicate all lines matching a pattern to a specific location.
How do I copy a line to another location without using yank and paste?
:t {address}
How it works The :t command (short for :copy) copies one or more lines and places them below the specified address.
What are Vim's built-in character class shortcuts for search patterns?
\d \w \s \a \l \u
How it works Vim provides shorthand character classes that save you from writing out full bracket expressions.
How do I convert all tabs to spaces in a file in Vim?
:retab
How it works The :retab command replaces all tab characters in the current buffer with the appropriate number of spaces, based on your current tabstop and expan
How do I write a visual selection to a separate file in Vim?
:'<,'>w filename
How it works Vim's :w command can take a range, and when used with a visual selection, it writes only the selected lines to a file.
How do I perform a non-greedy (minimal) match in Vim search?
.\{-}
How it works In most regex engines, ? or +? make quantifiers non-greedy (matching as little as possible).
How do I search for multiple alternative patterns at once in Vim?
/foo\|bar
How it works The \ operator in Vim's search pattern works like a logical OR, letting you match any one of several alternatives.
How do I view the list of positions where I made edits in Vim?
:changes
How it works Vim maintains a change list that records the position of every change you make to a buffer.
How do I search case-insensitively in Vim without changing global settings?
/\cpattern
How it works By default, Vim searches are case-sensitive: /Hello will not match hello or HELLO.
How do I filter a visual selection through an external shell command?
:'<,'>!command
How it works Vim can pipe selected text through any external shell command, replacing the selection with the command's output.