using System;

using System.Text.RegularExpressions;

public class Program

{

    public static void Main()

    {

        var aElement = "aaaaaaaaa<a href='srcText'>innertext</a>bbbbbbbbbbbbbbbbbb";

        Regex reg = new Regex(@"<a href='(?<src>\w*)'>(?<innerText>\w*)</a>");

        var result = reg.Match(aElement);

        Console.WriteLine(result);

        Console.WriteLine(result.Groups["src"].Value);

        Console.WriteLine(result.Groups["innerText"].Value);

    }

}