String conversion "1234ABC" into "F1F2F3F4C1C2C3"

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Hi All, I am new in c# programming and need to convert a string "1234ABCD" into "F1F2F3F4C1C2C3C4".Could you please suggest some good way for this.

Thnx,
adir

Posted 13-Jul-12 12:40pm

Aduu

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Sergey Alexandrovich Kryukov 13-Jul-12 20:16pm

Do you like people to do guesswork?
--SA

2 solutions

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**R. Giskard Reventlov** · Answer 1 · 2012-07-13T12:59:00

Solution 1

Something like this[^].

By they way, had to guess that this is what you wanted: your question should really have been 'How do I convert an ASCII string to Hex?'. You should also learn to use Google.

Posted 13-Jul-12 12:59pm

R. Giskard Reventlov

Clifford Nelson · Answer 2 · 2012-07-13T13:19:00

First of all, you have the wrong code type. What you are converting to is the representations in EBCDIC (http://en.wikipedia.org/wiki/EBCDIC[^]), not ASCII (http://en.wikipedia.org/wiki/ASCII[^]) which is used by Microsoft, and on most other systems. The code I am providing will only convert the first 8 bits, not the full 16 bits, but can be fixed to do that if that is what you want:

C#

string testString = "1234ABCD";
var stringBuilder = new StringBuilder();
foreach (char chr in testString)
{
    var lft = ((int) chr & 240) / 16;
    stringBuilder.Append(ConvertNibbleToHex(lft));
    var rt = (int) chr & 15;
    stringBuilder.Append(ConvertNibbleToHex(rt));
}

This uses the following function:

C#

private static char ConvertNibbleToHex(int value)
{
    if (value < 10)
        return (char) (value + 48);
    return (char)(value + 55);
}