C# string to byte array

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string text = "£100";

// encoding (string to bytes conversion)

byte[] data = Encoding.ASCII.GetBytes(text);

// test

string product = Encoding.ASCII.GetString(data);
string status = (text == product ? "CORRECT" : "INCORRECT");

Console.WriteLine($"{"BEFORE",-10} {"AFTER",-10} {"STATUS",-10}");
Console.WriteLine($"{text, -10} {product, -10} {status, -10}");
Console.WriteLine();

// bytes

Console.Write("Bytes: ");

foreach (byte entry in data)
	Console.Write(entry + " ");

Console.WriteLine();



/*

Output:

BEFORE     AFTER      STATUS
£100       ?100       INCORRECT

Bytes: 63 49 48 48

*/