Where C#
// The LINQ Where can be used to filter in a collection.
// It will return a Enumerable that contains all of the matching elements
var names = new List<string>() {"John", "Jane", "William"};
//I use ToLower to get any name that contains a J, Capital or not.
var namesWithJ = names.Where(n => n.ToLower().Contains("j"));
//Returns IEnumerable<string> that contains ["John", "Jane"]c# where
int[] numbers = { 0, 30, 20, 15, 90, 85, 40, 75 };
IEnumerable<int> query =
numbers.Where((number, index) => number = index * 10);
foreach (int number in query)
{
Console.WriteLine(number);
}
/*
This code produces the following output:
0
20
15
40
*/Copyright © 2021 Codeinu
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