Converting long string of binary to hex c#

Question

I\'m looking for a way to convert a long string of binary to a hex string.

the binary string looks something like this \"01100110100101110010011101010111001101

Answer 1

static string BinToHex(string bin)
{
    if (bin == null)
        throw new ArgumentNullException("bin");
    if (bin.Length % 8 != 0)
        throw new ArgumentException("The length must be a multiple of 8", "bin");

    var hex = Enumerable.Range(0, bin.Length / 8)
                     .Select(i => bin.Substring(8 * i, 8))
                     .Select(s => Convert.ToByte(s, 2))
                     .Select(b => b.ToString("x2"));
    return String.Join(null, hex);
}