Introduction
This blog post will teach you how to use a for loop in C# to eliminate duplicate words from a String.
Add namespace using System.Text
string SetenceString = "red white black white green yellow red red black white"; string[] data = SetenceString.Split(' '); StringBuilder sb = new StringBuilder(); for (int i = 0; i < data.Length; i++) { string temp = " "; if (i == 0) { temp = data[i].ToString(); sb = sb.Append(temp + " "); } else { for (int j = 1; j < data.Length; j++) { string temp2 = data[j].ToString(); string strnew = sb.ToString(); string[] Kdata = strnew.Split(' '); bool isnoduplicate = false; for (int k = 0; k < Kdata.Length; k++) { string temp3 = Kdata[k].ToString(); if (temp3 != "") { if (temp2 == temp3) { isnoduplicate = false; break; } else { isnoduplicate = true; } } } if (isnoduplicate) { sb = sb.Append(temp2 + " "); } } } } Console.WriteLine(sb); Console.ReadKey();
using Linq
Add namespace using System.Linq
string str = "One Two Three One"; string[] arr = str.Split(' '); Console.WriteLine(str); var a = from k in arr orderby k select k; Console.WriteLine("After removing duplicate words..."); foreach(string res in a.Distinct()) { Console.Write(" " + res.ToLower()); }