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Set operation: Except »
 

Intersect with another collection

IntersectsWith keep only elements that are present in that object and in the specified collection.

We keep all the vowels from our set of characters in the following code:

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

class Sample
{
    public static void Main()
    {
        var letters = new HashSet<char>("the quick brown fox");
        letters.IntersectWith("aeiou");
        foreach (char c in letters)
            Console.Write(c);
    }

}

The output:


euio
« HashSet
Set operation: Except »
 
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