nvim

Neovim, a programmer's text editor based on Vim, provides several modes for different kinds of text manipulation.

Pressing `i` enters edit mode. `<Esc>` goes back to normal mode, which doesn't allow regular text insertion.

• Open a file:

nvim {file}

• Enter text editing mode (insert mode):

i

• Copy ("yank") or cut ("delete") the current line (paste it with `P`):

{yy|dd}

• Undo the last operation:

u

• Search for a pattern in the file (press `n`/`N` to go to next/previous match):

/{search_pattern}

• Perform a regular expression substitution in the whole file:

:%s/{regular_expression}/{replacement}/g

• Save (write) the file, and quit:

:wq

• Quit without saving:

:q!

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