[英]Hex to byte[] in C# 2.0
Assume there is a string hexString = "0x12"
or "0x45"
etc. How can I convert the string to another byte[] as below.假设有一个字符串hexString = "0x12"
或"0x45"
等。如何将字符串转换为另一个字节 [],如下所示。 Thanks.谢谢。
byte[] myByte = new byte[2];
myByte[0] = 0x1;
myByte[1] = 0x2;
or或者
myByte[0] = 0x4;
myByte[1] = 0x5;
When I try to concatenate the substring as below,当我尝试如下连接 substring 时,
myByte[0] = '0x' + '4'; // Show compile error. It doesn't work.
I don't know how to fix it.我不知道如何解决它。 thanks.谢谢。 etc.等等
Have you tried searching for it first?您是否尝试过先搜索它?
Try this: How to convert hex to a byte array?试试这个: 如何将十六进制转换为字节数组?
Are looking for something like this?正在寻找这样的东西吗?
string hex = "0123456789abcdef";
string input = "0x45";
Debug.Assert(Regex.Match(input, "^0x[0-9a-f]{2}$").Success);
byte[] result = new byte[2];
result[0] = (byte)hex.IndexOf(input[2]);
result[1] = (byte)hex.IndexOf(input[3]);
// result[0] == 0x04
// result[1] == 0x05
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