dictionary from csv string

gistfile1.cs

public interface IXmlToDictionary<T,TK>
{
	T this[TK key] { get; }
}


public class DynamicTransformationParams : IXmlToDictionary<string,string>
{
	private readonly string _keyValueText;

	
	public string this[string key]
	{
		get
		{		
			return GetValueFromKey(key);
		}
	}
	private string GetValueFromKey(key){
		var test = RegExp(.......
		//TODO: IMPLEMENT MATCH
		// SAMPLE : http://www.dotnetperls.com/regex-match
		string input = "/content/alternate-1.aspx";

		// Here we call Regex.Match.
		Match match = Regex.Match(input, @"content/([A-Za-z0-9\-]+)\.aspx$",
			RegexOptions.IgnoreCase);

		// Here we check the Match instance.
		if (match.Success)
		{
			// Finally, we get the Group value and display it.
			string key = match.Groups[1].Value;
			Console.WriteLine(key);
		}
	}

}