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Remove items from one list in another in C#

To remove a list from another in C# you can use the method Except() which takes a list as parameter this method produces the set difference of two sequences and returns a sequence that contains the set difference of the elements of two sequences, then you use the method ToList() to convert it to list.

Example

using System;
using System.Collections.Generic;
using System.Linq;
					
public class Program
{
	public static void Main()
	{
		List<string> greetingsList = new List<string>(new string[] { "Hi", "Hello", "Greetings" } );
		
		List<string> greetingsListToRemove = new List<string>(new string[] { "Greetings", "Hello" } );
		
		List<string> result = greetingsList.Except(greetingsListToRemove).ToList();
		
		Console.WriteLine(result[0]);
		Console.WriteLine("List Counts:" + result.Count);
	}
}

Output

Hi
List Counts:1

Conclusion

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