根据您的具体情况试试这个
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Globalization;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
string[] hex = { "0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1011", "1110", "1111" };
string input = "";
string ainput = "";
string output = "";
input = "ffff:0000:ffff:ffff";
ainput = Aggregating(input);
output = string.Join("", ainput.ToCharArray().Select(x => x == ':' ? ":" : hex[int.Parse(x.ToString(), NumberStyles.HexNumber)]));
Console.WriteLine("input : {0}, A input = {1}, output = {2}", input, ainput, output);
input = "0000:0000:0000:ffff:0000:0000";
ainput = Aggregating(input);
output = string.Join("", ainput.ToCharArray().Select(x => x == ':' ? ":" : hex[int.Parse(x.ToString(), NumberStyles.HexNumber)]));
Console.WriteLine("input : {0}, A input = {1}, output = {2}", input, ainput, output);
input = "1234:0000:0000:0000:1212";
ainput = Aggregating(input);
output = string.Join("", ainput.ToCharArray().Select(x => x == ':' ? ":" : hex[int.Parse(x.ToString(), NumberStyles.HexNumber)]));
Console.WriteLine("input : {0}, A input = {1}, output = {2}", input, ainput, output);
Console.ReadLine();
}
static string Aggregating(string input)
{
List<string> results = new List<string>();
string[] array = input.Split(new char[] { ':' });
int zeroCount = 0; //number of consecutive zeroes
for(int i = 0; i < array.Length; i++)
{
if (array[i] == "0000")
{
//if last aggregate
if (i == array.Length - 1)
{
//write zeroes if last aggregate wasn't zero
if (zeroCount == 0) results.Add("0000");
}
else
{
//item zero so increment consectuive zero count
zeroCount++;
}
}
else
{
//if only last aggregate was zero
if (zeroCount == 1) results.Add("0000");
//add current aggregate
results.Add(array[i]);
//reset consecutive zeroes to 0 since current aggregate isn't zero
zeroCount = 0;
}
}
return string.Join(":",results);
}
}
}