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CSharp · Console

/Program.cs

using System;
using System.Text.RegularExpressions;

public class Program
{
	public static void Main()
	{
            string content = @"![Image Description](/image-path.png)";
            var matches = new Regex(@"!\[(.*?)\]\((.*?)\)").Matches(content);
            Console.WriteLine(matches[0].Groups[1]);
            Console.WriteLine(matches[0].Groups[2]);
	}
}