Description: Find any strings containing .wav, enclosed in double quotes and replace with the .wav part removed
Search expression: "(.*).wav"
Explanation:
" find double quote
(.*) match any characters - the () signifies this is group 0
.wav match the string .wav
" find double quote
Replace expression: "#0"
" start with a double quote
#0 put in the part that matched group 0
" finish with a double quote