C# Convert hex string to byte array

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1. // string hax를 byte array로 변환  
2. private static byte[] StringToByteArray(string hex)  
3. {  
4.     return Enumerable.Range(0, hex.Length)  
5.                      .Where(x => x % 2 == 0)  
6.                      .Select(x => Convert.ToByte(hex.Substring(x, 2), 16))  
7.                      .ToArray();  
8. }  

// string hax를 byte array로 변환 private static byte[] StringToByteArray(string hex) { return Enumerable.Range(0, hex.Length) .Where(x => x % 2 == 0) .Select(x => Convert.ToByte(hex.Substring(x, 2), 16)) .ToArray(); }