string data = "ABCDEFGHIJ1fFJKAL";
List<char> datalist = new List<char>();
datalist.AddRange(data);
string scentence = "Hi there"; // Defining a string to turn to characters
char[] charArr = scentence.ToCharArray() // Turns String to a list of characters
//The output of charArr would be:
//['H', 'i', ' ', 't', 'h', 'e', 'r', 'e']
/*
Answer by Ren Rawbone
*/