Assuming you're using Word...
If document has curly quotes.
Code:
Find: (^13“[!”]@)^13
Repl: \1 note space after \1
If document has straight quotes.
Code:
Find: (^13"[!"]@)^13
Repl: \1 note space after \1
OR
Code:
This will only work for curly quotes.
Find: (“[!^13”]@)^13([!”]@”)
Repl: \1 \2 Space between \1 and \2
For straight quotes replace the curly quotes with straight quotes.