Search a byte array for a sub byte array : Byte Array « File Stream « C# / C Sharp






  1. C# / C Sharp
  2. File Stream
  3. Byte Array

Search a byte array for a sub byte array

       
using System;
using System.Collections.Generic;
using System.Text;

public sealed class ByteUtils
{
    private ByteUtils()
    {
    }

    public static int IndexOf(byte[] array, byte[] pattern, int offset)
    {
        int success = 0;
        for (int i = offset; i < array.Length; i++)
        {
            if (array[i] == pattern[success])
            {
                success++;
            }
            else
            {
                success = 0;
            }

            if (pattern.Length == success)
            {
                return i - pattern.Length + 1;
            }
        }
        return -1;
    }

}








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