C＃对UTF-16字节数组执行字符串操作

IndexOf

EndsWith

StartsWith

StringComparison.Ordinal

System.String

// position/length validation removed to minimize the code

string result;
byte charLength = _buffer[_bufferI++];
int byteLength = charLength * 2;

fixed (byte* pBuffer = &_buffer[_bufferI])
{
    result = new string((char*)pBuffer, 0, charLength);
}

_bufferI += byteLength;
return result;

new string(char*, int, int)

Encoding.UTF16.GetString

using (StreamReader sr = new StreamReader(filename, Encoding.UTF16)) 
{
    string line;

    while ((line = sr.ReadLine()) != null) 
    {
        //Your Code
    }
}