How do I move a line to a specific line number?
:m {line-number}
The :m (move) command moves the current line to after the specified line number.
Tag: editing
How do I increment a number under the cursor?
<C-a>
The command increments the number under or after the cursor by 1.
How do I delete the character before the cursor?
X
The X command deletes the character to the left of the cursor (before it).
How do I delete an entire paragraph?
dip
The dip command deletes the inner paragraph — all contiguous non-blank lines surrounding the cursor.
How do I copy a line to another location without yanking?
:t {line-number}
The :t (copy/transfer) command duplicates the current line and places it after the specified line number.
How do I decrement a number under the cursor?
<C-x>
The command decrements the number under or after the cursor by 1.
How do I change from the cursor to the end of the word?
ce
The ce command changes from the cursor position to the end of the current word.
How do I auto-indent the current line?
==
The == command auto-indents the current line based on the surrounding context.
How do I replace the contents of the entire current line?
cc
The cc command deletes the entire content of the current line (preserving indentation) and enters insert mode.
How do I run a normal mode command on every line in a range?
:%normal command
The :normal command executes normal mode commands programmatically on a range of lines.
How do I use capture groups in a Vim search and replace?
:%s/\(group\)/\1/g
Capture groups in Vim substitute let you match parts of a pattern and reuse them in the replacement.
How do I replace text with a newline in a substitute command?
:%s/pattern/\r/g
In the replacement part of :s, \r inserts a newline.
How do I change the case of matched text in a substitute?
:%s/\(\w\+\)/\u\1/g
Vim provides case-conversion atoms in substitute replacements: \u uppercases the next character, \l lowercases it, \U uppercases until \e, and \L lowercases unt
How do I restrict a search to the current function body?
:[{,]}s/old/new/g
By using the range [{,]}, you can limit a substitute command to the lines between the enclosing braces — effectively the current function or block.
How do I search and replace across multiple files using the quickfix list?
:cdo s/old/new/g
The :cdo command executes a command on every entry in the quickfix list.
How do I jump between diff hunks in a diff view?
]c
In diff mode, ]c jumps to the next change hunk and [c jumps to the previous one.
How do I highlight trailing whitespace with a custom color in Vim?
highlight TrailingWhitespace ctermbg=red and match TrailingWhitespace /\s\+$/
How it works Vim's highlight and match commands let you create custom visual indicators.
How do I add custom functions to Vim's statusline for dynamic information?
set statusline=%{MyCustomFunc()}
How it works Vim's statusline supports the %{expr} syntax which evaluates a Vimscript expression and displays the result.
How do I yank and paste a vertical block of text using blockwise registers?
<C-v>jj"ay then "ap
How it works Vim registers remember not just the text content but also the type of selection that was used to yank it: characterwise, linewise, or blockwise.
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().