C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
	 public class NodeList
        {
            private string _val = null;
            public string Value { get { return _val; } }
            private NodeList _next = null;
            private NodeList _prev = null;
            public NodeList Next { get { return _next; } }
            public NodeList Prev { get { return _prev; } }
            public NodeList(string value)
            {
                _val = value;
            }
            protected void SetNext(NodeList node)
            {
                node.SetPrev(this);
                _next = node;
            }
            protected void SetPrev(NodeList node)
            {
                _prev = node;
            }
            public void Insert(NodeList node)
            {
                if (Next != null)
                {
                    node.SetNext(Next);
                    SetNext(node);
                }
                else
                {
                    SetNext(node);
                }
            }
            public override string ToString()
            {
                if (_next != null)
                    return Value + Next.ToString();
                return Value;
            }
        }
        public static void Main()
        {
            string paragraph = "This. Is. a. Test... to? see if Who's the Boss? is on at 10:00 A.M. or who's the Boss? is...on at 7:00 p.m.! abc.txt 1. hm? HM. hm!";
            NodeList n = null;
            foreach (char c in paragraph)
            {
                if (n == null)
                    n = new NodeList(c.ToString());
                else
                {//find last current node
                    NodeList cur = n;
                    while (cur.Next != null)
                        cur = cur.Next;
                    cur.Insert(new NodeList(c.ToString()));
                }
            }
            Console.WriteLine("Original String: " + n.ToString());
            NodeList curr = n;
            while(curr != null && curr.Next != null)
            {
                if(curr.Value == ".")
                {
                    if(curr.Next.Value == " ")
                    {
                        if(curr.Prev != null && curr.Prev.Value == "M")
                        {
                            if(curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.M.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value == "m")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.m.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value != "M")
                        {
                            if (curr.Prev != null && curr.Prev.Value != "m")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                    }
                }
                if (curr.Value == "!")
                {
                    if (curr.Next.Value == " ")
                    {
                        if (curr.Prev != null && curr.Prev.Value == "M")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.M.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value == "m")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.m.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value != "M")
                        {
                            if (curr.Prev != null && curr.Prev.Value != "m")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                    }
                }
                if (curr.Value == "?")
                {
                    if (curr.Next.Value == " ")
                    {
                        if (curr.Prev != null && curr.Prev.Value == "M")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.M.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value == "m")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.m.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if(curr.Prev != null && curr.Prev.Value != "M")
                        {
                            if (curr.Prev != null && curr.Prev.Value != "m")
                            {
                                //check for "Who's the Boss?", that string isnt a question.
                                if (curr.Prev != null && curr.Prev.Value != "s")
                                {
                                    curr.Next.Insert(new NodeList("\n"));
                                }
                                if (curr.Prev != null && curr.Prev.Value == "s")
                                {
                                    NodeList findBoss = curr.Prev;
                                    if (findBoss.Prev != null && findBoss.Prev.Value != "s")
                                    {
                                        curr.Next.Insert(new NodeList("\n"));
                                    }
                                    if (findBoss.Prev != null && findBoss.Prev.Value == "s")
                                    {
                                        findBoss = findBoss.Prev;
                                        if (findBoss.Prev != null && findBoss.Prev.Value != "o")
                                        {
                                            curr.Next.Insert(new NodeList("\n"));
                                        }
                                        if (findBoss.Prev != null && findBoss.Prev.Value == "o")
                                        {
                                            findBoss = findBoss.Prev;
                                            if (findBoss.Prev != null && findBoss.Prev.Value != "B")
                                            {
                                                curr.Next.Insert(new NodeList("\n"));
                                            }
                                            if (findBoss.Prev != null && findBoss.Prev.Value == "B")
                                            {
                                                findBoss = findBoss.Prev;
                                                if (findBoss.Prev != null && findBoss.Prev.Value != " ")
                                                {
                                                    curr.Next.Insert(new NodeList("\n"));
                                                }
                                                if (findBoss.Prev != null && findBoss.Prev.Value == " ")
                                                {
                                                    findBoss = findBoss.Prev;
                                                    if (findBoss.Prev != null && findBoss.Prev.Value != "e")
                                                    {
                                                        curr.Next.Insert(new NodeList("\n"));
                                                    }
                                                    if (findBoss.Prev != null && findBoss.Prev.Value == "e")
                                                    {
                                                        findBoss = findBoss.Prev;
                                                        if (findBoss.Prev != null && findBoss.Prev.Value != "h")
                                                        {
                                                            curr.Next.Insert(new NodeList("\n"));
                                                        }
                                                        if (findBoss.Prev != null && findBoss.Prev.Value == "h")
                                                        {
                                                            findBoss = findBoss.Prev;
                                                            if (findBoss.Prev != null && findBoss.Prev.Value != "t")
                                                            {
                                                                curr.Next.Insert(new NodeList("\n"));
                                                            }
                                                            if (findBoss.Prev != null && findBoss.Prev.Value == "t")
                                                            {
                                                                findBoss = findBoss.Prev;
                                                                if (findBoss.Prev != null && findBoss.Prev.Value != " ")
                                                                {
                                                                    curr.Next.Insert(new NodeList("\n"));
                                                                }
                                                                if (findBoss.Prev != null && findBoss.Prev.Value == " ")
                                                                {
                                                                    findBoss = findBoss.Prev;
                                                                    if (findBoss.Prev != null && findBoss.Prev.Value != "s")
                                                                    {
                                                                        curr.Next.Insert(new NodeList("\n"));
                                                                    }
                                                                    if (findBoss.Prev != null && findBoss.Prev.Value == "s")
                                                                    {
                                                                        findBoss = findBoss.Prev;
                                                                        if (findBoss.Prev != null && findBoss.Prev.Value != "'")
                                                                        {
                                                                            curr.Next.Insert(new NodeList("\n"));
                                                                        }
                                                                        if (findBoss.Prev != null && findBoss.Prev.Value == "'")
                                                                        {
                                                                            findBoss = findBoss.Prev;
                                                                            if (findBoss.Prev != null && findBoss.Prev.Value != "o")
                                                                            {
                                                                                curr.Next.Insert(new NodeList("\n"));
                                                                            }
                                                                            if (findBoss.Prev != null && findBoss.Prev.Value == "o")
                                                                            {
                                                                                findBoss = findBoss.Prev;
                                                                                if (findBoss.Prev != null && findBoss.Prev.Value != "h")
                                                                                {
                                                                                    curr.Next.Insert(new NodeList("\n"));
                                                                                }
                                                                                if (findBoss.Prev != null && findBoss.Prev.Value == "h")
                                                                                {
                                                                                    findBoss = findBoss.Prev;
                                                                                    if (findBoss.Prev != null && findBoss.Prev.Value != "W")
                                                                                    {
                                                                                        curr.Next.Insert(new NodeList("\n"));
                                                                                    }
                                                                                    if (findBoss.Prev != null && findBoss.Prev.Value == "W")
                                                                                    {
                                                                                        //do nothing, this is the title "Who's the Boss?" and therefore not a sentence
                                                                                    }
                                                                                }
                                                                            }
                                                                        }
                                                                    }
                                                                }
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                curr = curr.Next;
            }
            Console.WriteLine("Modified String: " + n.ToString());
        }

}

​x
 
using System;
                    
public class Program
{
     public class NodeList
        {
            private string _val = null;
            public string Value { get { return _val; } }
            private NodeList _next = null;
            private NodeList _prev = null;
            public NodeList Next { get { return _next; } }
            public NodeList Prev { get { return _prev; } }
            public NodeList(string value)
            {
                _val = value;
            }
            protected void SetNext(NodeList node)
            {
                node.SetPrev(this);
                _next = node;
            }
            protected void SetPrev(NodeList node)
            {
                _prev = node;
            }
            public void Insert(NodeList node)
            {
                if (Next != null)
                {
                    node.SetNext(Next);
                    SetNext(node);
                }
                else
                {
                    SetNext(node);
                }
            }
            public override string ToString()
            {
                if (_next != null)
                    return Value + Next.ToString();
                return Value;
            }
        }
        public static void Main()
        {
            string paragraph = "This. Is. a. Test... to? see if Who's the Boss? is on at 10:00 A.M. or who's the Boss? is...on at 7:00 p.m.! abc.txt 1. hm? HM. hm!";
            NodeList n = null;
            foreach (char c in paragraph)
            {
                if (n == null)
                    n = new NodeList(c.ToString());
                else
                {//find last current node
                    NodeList cur = n;
                    while (cur.Next != null)
                        cur = cur.Next;
                    cur.Insert(new NodeList(c.ToString()));
                }
            }
            Console.WriteLine("Original String: " + n.ToString());
            NodeList curr = n;
            while(curr != null && curr.Next != null)
            {
                if(curr.Value == ".")
                {
                    if(curr.Next.Value == " ")
                    {
                        if(curr.Prev != null && curr.Prev.Value == "M")
                        {
                            if(curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.M.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value == "m")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.m.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value != "M")
                        {
                            if (curr.Prev != null && curr.Prev.Value != "m")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                    }
                }
                if (curr.Value == "!")
                {
                    if (curr.Next.Value == " ")
                    {
                        if (curr.Prev != null && curr.Prev.Value == "M")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.M.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value == "m")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.m.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value != "M")
                        {
                            if (curr.Prev != null && curr.Prev.Value != "m")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                    }
                }
                if (curr.Value == "?")
                {
                    if (curr.Next.Value == " ")
                    {
                        if (curr.Prev != null && curr.Prev.Value == "M")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.M.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.M.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if (curr.Prev != null && curr.Prev.Value == "m")
                        {
                            if (curr.Prev.Prev != null && curr.Prev.Prev.Value == ".")
                            {
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "A")
                                {
                                    //do nothing for A.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "P")
                                {
                                    //do nothing for P.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "a")
                                {
                                    //do nothing for a.m.
                                }
                                if (curr.Prev.Prev.Prev != null && curr.Prev.Prev.Prev.Value == "p")
                                {
                                    //do nothing for p.m.
                                }
                            }
                            else if (curr.Prev.Prev != null && curr.Prev.Prev.Value != ".")
                            {
                                curr.Next.Insert(new NodeList("\n"));
                            }
                        }
                        if(curr.Prev != null && curr.Prev.Value != "M")
                        {
                            if (curr.Prev != null && curr.Prev.Value != "m")
                            {
                                //check for "Who's the Boss?", that string isnt a question.
                                if (curr.Prev != null && curr.Prev.Value != "s")
                                {
                                    curr.Next.Insert(new NodeList("\n"));
                                }
                                if (curr.Prev != null && curr.Prev.Value == "s")
                                {
                                    NodeList findBoss = curr.Prev;
                                    if (findBoss.Prev != null && findBoss.Prev.Value != "s")
                                    {
                                        curr.Next.Insert(new NodeList("\n"));
                                    }
                                    if (findBoss.Prev != null && findBoss.Prev.Value == "s")
                                    {
                                        findBoss = findBoss.Prev;
                                        if (findBoss.Prev != null && findBoss.Prev.Value != "o")
                                        {
                                            curr.Next.Insert(new NodeList("\n"));
                                        }
                                        if (findBoss.Prev != null && findBoss.Prev.Value == "o")
                                        {
                                            findBoss = findBoss.Prev;
                                            if (findBoss.Prev != null && findBoss.Prev.Value != "B")
                                            {
                                                curr.Next.Insert(new NodeList("\n"));
                                            }
                                            if (findBoss.Prev != null && findBoss.Prev.Value == "B")
                                            {
                                                findBoss = findBoss.Prev;
                                                if (findBoss.Prev != null && findBoss.Prev.Value != " ")
                                                {
                                                    curr.Next.Insert(new NodeList("\n"));
                                                }
                                                if (findBoss.Prev != null && findBoss.Prev.Value == " ")
                                                {
                                                    findBoss = findBoss.Prev;
                                                    if (findBoss.Prev != null && findBoss.Prev.Value != "e")
                                                    {
                                                        curr.Next.Insert(new NodeList("\n"));
                                                    }
                                                    if (findBoss.Prev != null && findBoss.Prev.Value == "e")
                                                    {
                                                        findBoss = findBoss.Prev;
                                                        if (findBoss.Prev != null && findBoss.Prev.Value != "h")
                                                        {
                                                            curr.Next.Insert(new NodeList("\n"));
                                                        }
                                                        if (findBoss.Prev != null && findBoss.Prev.Value == "h")
                                                        {
                                                            findBoss = findBoss.Prev;
                                                            if (findBoss.Prev != null && findBoss.Prev.Value != "t")
                                                            {
                                                                curr.Next.Insert(new NodeList("\n"));
                                                            }
                                                            if (findBoss.Prev != null && findBoss.Prev.Value == "t")
                                                            {
                                                                findBoss = findBoss.Prev;
                                                                if (findBoss.Prev != null && findBoss.Prev.Value != " ")
                                                                {
                                                                    curr.Next.Insert(new NodeList("\n"));
                                                                }
                                                                if (findBoss.Prev != null && findBoss.Prev.Value == " ")
                                                                {
                                                                    findBoss = findBoss.Prev;
                                                                    if (findBoss.Prev != null && findBoss.Prev.Value != "s")
                                                                    {
                                                                        curr.Next.Insert(new NodeList("\n"));
                                                                    }
                                                                    if (findBoss.Prev != null && findBoss.Prev.Value == "s")
                                                                    {
                                                                        findBoss = findBoss.Prev;
                                                                        if (findBoss.Prev != null && findBoss.Prev.Value != "'")
                                                                        {
                                                                            curr.Next.Insert(new NodeList("\n"));
                                                                        }
                                                                        if (findBoss.Prev != null && findBoss.Prev.Value == "'")
                                                                        {
                                                                            findBoss = findBoss.Prev;
                                                                            if (findBoss.Prev != null && findBoss.Prev.Value != "o")
                                                                            {
                                                                                curr.Next.Insert(new NodeList("\n"));
                                                                            }
                                                                            if (findBoss.Prev != null && findBoss.Prev.Value == "o")
                                                                            {
                                                                                findBoss = findBoss.Prev;
                                                                                if (findBoss.Prev != null && findBoss.Prev.Value != "h")
                                                                                {
                                                                                    curr.Next.Insert(new NodeList("\n"));
                                                                                }
                                                                                if (findBoss.Prev != null && findBoss.Prev.Value == "h")
                                                                                {
                                                                                    findBoss = findBoss.Prev;
                                                                                    if (findBoss.Prev != null && findBoss.Prev.Value != "W")
                                                                                    {
                                                                                        curr.Next.Insert(new NodeList("\n"));
                                                                                    }
                                                                                    if (findBoss.Prev != null && findBoss.Prev.Value == "W")
                                                                                    {
                                                                                        //do nothing, this is the title "Who's the Boss?" and therefore not a sentence
                                                                                    }
                                                                                }
                                                                            }
                                                                        }
                                                                    }
                                                                }
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                curr = curr.Next;
            }
            Console.WriteLine("Modified String: " + n.ToString());
        }
​
}

I got the name: Alexander

Cached Result
Last Run:	11:00:06 pm
Compile:	0.054s
Execute:	0.12s
Memory:	5.03Mb
CPU:	0.174s

View IL Code