public class SimilarityLevel : FuzzyAlgorithm

Public Class SimilarityLevel
	Inherits FuzzyAlgorithm

public ref class SimilarityLevel : public FuzzyAlgorithm

type SimilarityLevel =  
    class
        inherit FuzzyAlgorithm
    end

string indexFolder = @"c:\MyIndex\";
string documentsFolder = @"c:\MyDocuments\";
string query = "Einstein";

Index index = new Index(indexFolder); // Creating an index in the specified folder
index.Add(documentsFolder); // Indexing documents from the specified folder

SearchOptions options = new SearchOptions();
options.FuzzySearch.Enabled = true; // Enabling the fuzzy search
options.FuzzySearch.FuzzyAlgorithm = new SimilarityLevel(0.8); // Creating the fuzzy search algorithm
// This function specifies 0 as the maximum number of mistakes for words from 1 to 4 characters.
// It specifies 1 as the maximum number of mistakes for words from 5 to 9 characters.
// It specifies 2 as the maximum number of mistakes for words from 10 to 14 characters. And so on.

SearchResult result = index.Search(query, options); // Search in index