@ symbols need to be added to filename regex

[byteface]

                    DefaultEngine.ini
            +ShaderCompileWorker
                +Config
                    DefaultEngine.ini
                    +Mac
                        MacEngine.ini
        +Binaries
            +IOS
                UE4Game-IOS-Shipping.target
                UE4Game-IOS-DebugGame
                UE4Game.target
                +Payload
                    +UE4Game.app
                        AppIcon60x60@2x.png
                        Assets.car
                        AppIcon76x76@2x~ipad.png
                UE4Game
                UE4Game-IOS-Shipping
                UE4Game.stub
                UE4Game-IOS-Shipp

I ran mock in the root of unreal and it made an 8mb tree which seems ok. but when i run test on it, it then tries to write files to user folder as the @ symbol breaks the parser. then tilde gets picked up as its preceding that.. dodgy. will have to fix the tilde access as well as the regex.