Swap two characters in Vim
Here’s a quick trick that requires no plugins. You probably already know both of these commands but many people, including myself, might not have internalized the combination. A little reminder is sometimes all we need.
xp to swap the character under your cursor with the one to its right.
For example, suppose you have a misspelled word like so:
puts "Hlelo world!"
With your cursor on the misplaced l in Hlelo, type
puts "H█elo world!"
x deletes the character under the cursor and puts it in a register and
p pastes that register to the right of the cursor. You end up with:
puts "Hello world!"
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