private string TextFlip(string InputString) { char[] X = @"¿/˙'\‾¡zʎxʍʌnʇsɹbdouɯlʞɾıɥƃɟǝpɔqɐ".ToCharArray(); string V = @"?\.,/_!zyxwvutsrqponmlkjihgfedcba"; return new string((from char obj in InputString.ToCharArray() select...