Find and replace all in Neovim

:%s@string_to_replace@new_string@gc

So if your file contains:

[Desktop Entry]
Name=Cursor
Exec=/home/yourusername/Applications/cursor.AppImage
Icon=/home/yourusername/Applications/cursor-icon.png
Type=Application
Categories=Utility;

And you want to replace yourusername with bob_marley you type :%s@yourusername@bob_marleyy@gc prompting you if you're sure y and y

The explenation

%s: Indicates a substitution command for the entire file. % means apply to the whole file.

@search@: The text to search for.

replace@: The text to replace the search term with.

g: Global flag, meaning replace all occurrences in each line.

c: Confirm each replacement. You will be prompted to confirm each substitution.

And et voila