C #에서 문자열의 ASCII 값을 얻는 방법

C #에서 문자열의 ASCII 값을 얻는 방법

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C #의 문자열에서 문자의 ASCII 값을 얻고 싶습니다.

내 문자열의 값이 "9quali52ty3"이면 11 자 각각의 ASCII 값이있는 배열이 필요합니다.

C #에서 ASCII 값을 어떻게 얻을 수 있습니까?

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에서 MSDN

string value = "9quali52ty3";

// Convert the string into a byte[].
byte[] asciiBytes = Encoding.ASCII.GetBytes(value);

이제 바이트의 ASCII 값 배열이 있습니다. 나는 다음을 얻었다 :

57113117 97108105 53 50116121 51

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string s = "9quali52ty3";
foreach(char c in s)
{
  Console.WriteLine((int)c);
}

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이것은 작동합니다.

string s = "9quali52ty3";
byte[] ASCIIValues = Encoding.ASCII.GetBytes(s);
foreach(byte b in ASCIIValues) {
    Console.WriteLine(b);
}

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숫자가 아닌 알파벳 문자 만 원한다는 뜻입니까? 결과적으로 "품질"을 원하십니까? Char.IsLetter 또는 Char.IsDigit을 사용하여 하나씩 필터링 할 수 있습니다.

string s = "9quali52ty3";
StringBuilder result = new StringBuilder();
foreach(char c in s)
{
  if (Char.IsLetter(c))  
    result.Add(c);
}
Console.WriteLine(result);  // quality

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string value = "mahesh";

// Convert the string into a byte[].
byte[] asciiBytes = Encoding.ASCII.GetBytes(value);

for (int i = 0; i < value.Length; i++)


    {
        Console.WriteLine(value.Substring(i, 1) + " as ASCII value of: " + asciiBytes[i]);
    }

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byte[] asciiBytes = Encoding.ASCII.GetBytes("Y");
foreach (byte b in asciiBytes)
{
    MessageBox.Show("" + b);
}

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이 프로그램은 두 개 이상의 문자를 받아들이고 ASCII 값을 출력합니다.

using System;
class ASCII
{
    public static void Main(string [] args)
    {
        string s;
        Console.WriteLine(" Enter your sentence: ");
        s = Console.ReadLine();
        foreach (char c in s)
        {
            Console.WriteLine((int)c);
        }
    }
}

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Earlier responders have answered the question but have not provided the information the title led me to expect. I had a method that returned a one character string but I wanted a character which I could convert to hexadecimal. The following code demonstrates what I thought I would find in the hope it is helpful to others.

  string s = "\ta£\x0394\x221A";   // tab; lower case a; pound sign; Greek delta;
                                   // square root  
  Debug.Print(s);
  char c = s[0];
  int i = (int)c;
  string x = i.ToString("X");
  c = s[1];
  i = (int)c;
  x = i.ToString("X");
  Debug.Print(c.ToString() + " " + i.ToString() + " " + x);
  c = s[2];
  i = (int)c;
  x = i.ToString("X");
  Debug.Print(c.ToString() + " " + i.ToString() + " " + x);
  c = s[3];
  i = (int)c;
  x = i.ToString("X");
  Debug.Print(c.ToString() + " " + i.ToString() + " " + x);
  c = s[4];
  i = (int)c;
  x = i.ToString("X");
  Debug.Print(c.ToString() + " " + i.ToString() + " " + x);

The above code outputs the following to the immediate window:

a£Δ√

a 97 61

£ 163 A3

Δ 916 394

√ 8730 221A

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string text = "ABCD";
for (int i = 0; i < text.Length; i++)
{
  Console.WriteLine(text[i] + " => " + Char.ConvertToUtf32(text, i));
}

If I remember correctly, the ASCII value is the number of the lower seven bits of the Unicode number.

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If you want the charcode for each character in the string, you could do something like this:

char[] chars = "9quali52ty3".ToCharArray();

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You can remove the BOM using:

//Create a character to compare BOM
char byteOrderMark = (char)65279;
if (sourceString.ToCharArray()[0].Equals(byteOrderMark))
{
    targetString = sourceString.Remove(0, 1);
}

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Or in LINQ:

string value = "9quali52ty3";

var ascii_values = value.Select(x => (int)x);

var as_hex = value.Select(x => ((int)x).ToString("X02"));

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I want to get the ASCII value of characters in a string in C#.

Everyone confer answer in this structure. If my string has the value "9quali52ty3", I want an array with the ASCII values of each of the 11 characters.

but in console we work frankness so we get a char and print the ASCII code if i wrong so please correct my answer.

 static void Main(string[] args)
        {
            Console.WriteLine(Console.Read());
            Convert.ToInt16(Console.Read());
            Console.ReadKey();
        }

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Why not the old fashioned easy way?

    public int[] ToASCII(string s)
    {
        char c;
        int[] cByte = new int[s.Length];   / the ASCII string
        for (int i = 0; i < s.Length; i++)
        {
            c = s[i];                        // get a character from the string s
            cByte[i] = Convert.ToInt16(c);   // and convert it to ASCII
        }
        return cByte;
    }

참고URL : https://stackoverflow.com/questions/400733/how-to-get-ascii-value-of-string-in-c-sharp