C # Binary replaces the first bullet byte array substitution

A byte[] byte array substitution operation is often required for communication-related data operations. For example, the covariance transformation-related

Several alternative methods are now available

    <summary>///Binary data Operations///</summary> public class Hexutility {//<summary>        Binary substitution, assuming that no substitution is made to return the copy of the original array pair. </summary>//<param name= "Sourcebytearray" > Source data </param>//<param name= "OldValue" > Required data to be replaced </param>//<param name= "NewValue" > Data to be replaced </param> public static byte[] Repl Ace (byte[] Sourcebytearray, byte[] oldValue, byte[] newvalue) {//Create new data extra 1 bytes int Newarraylen            = (int) ((Newvalue.length/(double) oldvalue.length) * sourcebytearray.length) + 1;            Get the array length Newarraylen = Math.max (Newarraylen, sourcebytearray.length);            New final result array byte[] Newbytearray = new Byte[newarraylen];            The current index of the new array int curindex = 0;            Start end int start =-1;            int end =-1;            The currently found index int oldcurindex = 0; Replace data replace for (intx = 0; x < sourcebytearray.length;                X + +) {//Find the data to be replaced if (sourcebytearray[x] = = Oldvalue[oldcurindex])                    {if (Oldcurindex = = 0) {start = x;                        } if (Oldcurindex = = oldvalue.length-1) {end = X;                    Oldcurindex = 0;                    } else {oldcurindex++;                    }} else {oldcurindex = 0;                    Newbytearray[curindex] = sourcebytearray[x];                curindex++; }//Data find complete if (start! =-1 && End! =-1) {//Copy replacement number                    According to Buffer.blockcopy (newvalue, 0, Newbytearray, Curindex, newvalue.length); Calculates the offset of a new arrayShift amount Curindex + = newvalue.length;                Again set index to replicate index start = end =-1;            }}//Process return result byte[] result = NULL;                if (Curindex! = 0) {result = new Byte[curindex]; Buffer.blockcopy (newbytearray, 0, result, 0, result.)            Length);                } else {result = new Byte[sourcebytearray.length]; Buffer.blockcopy (sourcebytearray, 0, result, 0, result.)            Length);        } return result;        }///<summary>///binary substitution, assuming that no substitution returns a copy of the original array pair image. </summary>//<param name= "Sourcebytearray" > Source data </param>//<param name= "replaces" > data collection required for replacement </param> public static byte[] Replace (byte[] Sourcebytearray, list

C # Binary replaces the first bullet byte array substitution