protected void AddToIndex(string texts)
{
using var words = texts.Split(" ", StringSplitOptions.RemoveEmptyEntries).AsEnumerable().GetEnumerator();
while (words.MoveNext())
{
var word = words.Current;
var processedWord = ExtractWord(word);
if (processedWord == null)
{
continue;
}
if (Thumbnail.ContainsKey(processedWord))
{
Thumbnail[processedWord]++;
continue;
}
Thumbnail.Add(processedWord, 1);
}
}