Mega Code Archive
0361 Intersect with another collection
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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
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