Then I thought, I wonder if this could be done on the server in Cpanel. I then found this article with an SSH command to search all contents of a folder. I am not a terminal wiz and didn’t want to take the time to setup Putty so then found you can access the terminal inside of Plex Cpanel.
Below is the command I ran in the terminal to find the string I was looking for. In my case it was
The terminal command
grep -Ri 'your string' 'public_html/your-folder/'