Fórum ➡ Using Regex to insert "item" tags into the unique "list" tag of an XML data ♦, C#

Fórum ➡ Using Regex to insert "item" tags into the unique "list" tag of an XML data ♦

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

// aljodav
// http://rextester.com/users/376

// in reply to MSDN thread
// http://bit.ly/2fQafU4

namespace Rextester
{
    public class Program
    {
        public static void Print(string xml){
            Console.WriteLine("\n\n"+Regex.Replace(xml,"<item>","\n<item>"));
        }
        public static string AddItemToList(string xml,string item){
            string pattern="(><)(?=/list>)";
            string replacement="><item>"+item+"</item><";
            return Regex.Replace(xml,pattern,replacement);
        }
        public static void Main(string[] args)
        {
            string xml="<data><id>54321</id><list></list></data>"; // load the whole data
            
            xml=AddItemToList(xml,"First");
            xml=AddItemToList(xml,"Second");
            xml=AddItemToList(xml,"Third");
            xml=AddItemToList(xml,"Fourth");
            xml=AddItemToList(xml,"Fifth");
            
            Console.WriteLine(xml);
            Print(xml);
            // save to a file if needed
            
            Console.WriteLine("\n\nHello, world!");
        }
    }
}


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