convert particular word in a string to byte array

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C#

string data="Hello 0X0A World , How 0x0A are you?";
byte[] value=null;

i want to find 0x0A , except 0x0A , other words should be convert as byte[], can any one help me please.
i tried

C#

if(dats.IndexOf("0x0A", StringComparison.OrdinalIgnoreCase) >= 0)

{
value=Encoding.Default.GetBytes(data);
 //here it converts all the string
}

am expecting Hello World ,How are you ? should be converted into bytearray[] and in between 0x0A should not convert stay same .. Please help me

Posted 10-Aug-15 21:13pm

GagKumar

Updated 10-Aug-15 21:24pm

DamithSL

v2

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Comments

OriginalGriff 11-Aug-15 3:37am

Are you sure you have read your homework correctly?
I'd guess that "0X0A" is actually a character value: '\0X0A' instead of a string...

GagKumar 11-Aug-15 4:00am

yes ,its a Hex value which makes line feed, i want this byte array to be compiled in PLC and displays strings with line feed in the Visualization.

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DamithSL · Accepted Answer · 2015-08-10T21:30:00

Solution 1

C#

string data="Hello 0x0A World , How 0x0A are you?";
byte[] value=null;
data=data.Replace("0x0A","");
value=Encoding.Default.GetBytes(data);
//if you need ignore case
//value =Regex.Replace(data, "0x0A", "", RegexOptions.IgnoreCase);
string newstring =Encoding.Default.GetString(value); //Hello  World , How  are you?

Update:

C#

byte[] GetByteArray(string data)
{

    var items = Regex.Split(data, "0x0A").Select(w=>Encoding.Default.GetBytes(w));
    List<byte> final = new List<byte>();
    foreach(var item in items)
    {
       if(final.Any()){
           final.Add( 0x0A );
          }
        final.AddRange(item);
    }
    return final.ToArray();
}

call as

C#

string data="Hello 0x0A World , How 0x0A are you?";
byte[] result = GetByteArray(data);

Hope this helps you

Posted 10-Aug-15 21:30pm

DamithSL

Updated 10-Aug-15 22:34pm

v3

Comments

GagKumar 11-Aug-15 4:00am

Hi DamithSL,thanks for reply, am expected 0x0A as it is in between byte array,
below is what am expecting
72 101 108 108 111 32 0 X 0 A 32 87 111 114 108 100 44 32 72 111 119 32 0X0A 32 97 114 101 32 121 111 117 63

GagKumar 11-Aug-15 4:15am

yes, i want this as it is because of some compile reasons, is it possible like this?

DamithSL 11-Aug-15 4:34am

check my updated

GagKumar 11-Aug-15 7:42am

hello, thanks for answer, almost near but this position Regex.Split(data, "0x0A").Select(w=>Encoding.Default.GetBytes(w));
'w' is taking whole string not splitting. 0X0A giving 48 88 48 65

GagKumar 14-Aug-15 11:42am

small change i made Regex.Split(data, 0x0A").Select(w=>Encoding.Default.GetBytes(w)) , here i gave space (" 0X0A"), now its working, thanks