Vim / Neovim Search, Substitute, and Macros

/pattern

# Find the next match after the cursor.

?pattern

# Search upward through the file.

n  N

# Repeat the last search in either direction.

*  #

# Search the symbol at the cursor instantly.

:s/old/new/g

# Replace matches only on the current line.

:%s/old/new/gc

# Perform a global replacement across the buffer.

:'<,'>s/old/new/g

# Restrict replacement to a selected range.

:nohlsearch

# Remove visual search highlighting.

qq

# Start recording keystrokes into a register.

@q  10@q

# Execute a recorded macro once or many times.

@@

# Run the last-executed macro again.

:'<,'>normal @q

# Apply a macro to every line in a selected range.