Source code Pub: C # binary output of IPv6 addresses

On the msdn Chinese forum, I encountered a problem where I wrote the relevant code as required by the landlord. I don't have much technical skills.
Download the following example:
Http://files.cnblogs.com/Jason_z/Ipv6ConvertTest.rar

If you are not familiar with the syntax format of IPv6 addresses, read: http://375362she.blog.51cto.com/365362/73629

The IPv6 address provided by the landlord is: fe80: c960: 55bf: bb18: 611c. If you are familiar with IPv6, you will know that this is an IPv6 address in the form of zero compression,

This makes the problem a little troublesome, but fortunately, IPv6 only allows you to use zero compression once. To determine the number of digits of zero:, you can calculate the number of blocks in the compressed address, use 8 Minus this number. Another problem is the numerical type conversion. The obtained IPv6 address should be in a hexadecimal format similar to the preceding format and be converted to a binary format, you should first convert the hexadecimal format to the decimal format, and then convert the decimal format to the binary format:

PS: Other hexadecimal conversions are as follows:
// Convert decimal to binary
Console. writeline (convert. tostring (69, 2 ));
// Convert decimal to octal
Console. writeline (convert. tostring (69, 8 ));
// Convert decimal to hexadecimal
Console. writeline (convert. tostring (69, 16 ));
// Convert binary to decimal
Console. writeline (convert. toint32 ("100111101", 2 ));
// Octal to decimal
Console. writeline (convert. toint32 ("76", 8 ));
// Convert hexadecimal to decimal
Console. writeline (convert. toint32 ("FF", 16 ));

Publish the source code:

Using system;
Using system. Collections. Generic;
Using system. LINQ;
Using system. text;
Using system. Text. regularexpressions;

Namespace using 6converttest
{
Class Program
{
Static void main (string [] ARGs)
{
String STR = "fe80: c960: 55bf: bb18: 611c ";

String [] str1 = RegEx. Split (STR, @ "[:] + ");

// The IP address is not compressed to zero.
If (str1.length = 8)
{
For (VAR I = 0; I <str1.length; I ++)
{
Console. Write (convert. tostring (convert. touint32 (str1 [I], 16), 2 ));

If (I! = Str1.length-1)
{
Console. Write (":");
}
}
}

// The IP address is compressed to zero.
Else
{
// Output is not compressed to zero
For (var j = 0; j <str1.length; j ++)
{
STR = Str. Replace (str1 [J], convert. tostring (convert. touint32 (str1 [J], 16), 2 ));
}

Console. writeline (STR );


/* Output is not compressed to zero.
* Int M = 8-str1.length; // calculates the number of compressed zeros.
* String tmp1 = ""; // stores compressed zero strings
* For (var k = 0; k <m; k ++)
*{
* Tmp1 + = "0 :";
*}
* For (var j = 0; j <str1.length; j ++)
*{
STR = Str. Replace (str1 [J], convert. tostring (convert. touint32 (str1 [J], 16), 2 ));
*}
* STR = Str. Replace (":", ":" + tmp1 );
* Console. writeline (STR );
*/
}
Console. readkey ();
}
}
}