To get the index of an item in a single line, use the
FindIndex()
and
Contains()
methods.
int index = myList.FindIndex(a => a.Contains("Tennis"));
Above, we got the index of an element using the
FindIndex()
, which is assisted by
Contains()
method for that specific element.
Here is the complete code −
Example
Live Demo
using System;
using System.Collections.Generic;
public class Program {
public static void Main() {
List < string > myList = new List < string > () {
"Football",
"Soccer",
"Tennis",
// finding index
int index = myList.FindIndex(a => a.Contains("Tennis"));
// displaying index
Console.WriteLine("List Item Tennis Found at index: " + index);
}
Output
List Item Tennis Found at index: 2
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