Interactive search/replace regex in Vim?

Add the flag c (in the vim command prompt):


will give you a yes/no prompt at each occurrence of ‘old’.

"old" is highlighted in the text; at the bottom of the window it says "replace with new (y/n/a/q/l/^E/^y)?)"

Vim’s built-in help offers useful info on the options available once substitution with confirmation has been selected. Use:

:h :s

Then scroll to section on confirm options. Screenshot below:

Text that says "[C] Confirm each substitution. [...] CTRL-Y to scroll the screen down"

For instance, to substitute this and all remaining matches, use a.

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