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How to find common data from two list in LINQ?

Ethan Karla 1661 24 Sep 2021

How to find common data from two lists in LINQ?

Ask by Ethan Karla

Updated 24 Sep 2021

1 Answers

Ravi Vishwakarma 28 Sep 2021

The Intersect method or operator is used to combine multiple collections or lists into a single collection or list and return common elements from both collections.

Syntax

var result = collection.Intersect(collection2);

Example

using System;
using System.Collections.Generic;
using System.Linq;

public class Program
{
 public static void Main()
 {
  List<string> count1= new List<string>() { 'UK', 'Australia', 'India', 'USA' };
  List<string> count2 = new List<string>() { 'India', 'UAE', 'Canada', 'UK', 'China', 'Pok' };

  List<string> list = count1.Intersect(count2).ToList();
  list.ForEach( country => Console.WriteLine(country) );

  Console.ReadLine();
 }
}

Output

UK

India

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