using System;

using System.Collections.Generic;

using System.Text.RegularExpressions;

​

List<string> inputs = new()

{

    "Coding", // match

    "I love programming!", // no match

    "Coding is fun!", // no match

    "I love programming", // match

};

​

string pattern = "ing$";

Regex regex = new Regex(pattern);

​

foreach (var input in inputs)

{

    Match match = regex.Match(input);

    Console.WriteLine(

        $"'{input}' {(match.Success ? "did" : "did not")} " +

        "match the string ending with the pattern.");

}