System.Tools.ResGen.ValidResourceFileName C# (CSharp) Method

        private static bool ValidResourceFileName(String inFile) {
            if (inFile == null)
                return false;

            CompareInfo comp = CultureInfo.InvariantCulture.CompareInfo;
            if (comp.IsSuffix(inFile, ".resx", CompareOptions.IgnoreCase) ||
                comp.IsSuffix(inFile, ".txt", CompareOptions.IgnoreCase) ||
                comp.IsSuffix(inFile, ".restext", CompareOptions.IgnoreCase) ||
                comp.IsSuffix(inFile, ".resources", CompareOptions.IgnoreCase))
                return true;
            return false;
        }