links.cs

private static string ContentToHtml(string content)
{
	var words = content
		.Replace("\r\n", "<br/>")
		.Replace("\n", "<br/>")
		.Split(' ')
		//.Select(ReplaceLinkWithAttribute)
		.ToArray();

	return String.Join(" ", words);
}

private static string ReplaceLinkWithAttribute(string word)
{
	return word.StartsWith("http://") 
		? $"<a href=\"{word}\">{word}</a>" 
		: word;
}