static AvalonEditHelperBase()
{
var uriRegexes = new List<Regex>();
uriRegexes.Add(new Regex(@"http(s)?://(\S)+", RegexOptions.Compiled));
uriRegexes.Add(new Regex(@"Tag:[A-Za-z0-9\-_]+", RegexOptions.Compiled));
uriRegexes.Add(new Regex(@"Seed:[A-Za-z0-9\-_]+", RegexOptions.Compiled));
_uriRegexes = uriRegexes.ToArray();
}