private bool Search(string word, int index, TierNode node)
{
if (node == null)
{
return(false);
}
if (index == word.Length)
{
return(node.IsEnd);
}
var c = word[index];
if (c == '.')
{
foreach (var temp in node.Links)
{
if (Search(word, index + 1, temp))
{
return(true);
}
}
return(false);
}
else
{
node = node.Get(c);
}
return(Search(word, index + 1, node));
}
public void Put(char c)
{
Links[c - 'a'] = new TierNode();
}
