public static string[] SimilarWords(this string str, string otherStr, bool caseSensitive = false, string splitBy = " ", int minWordLength = 2, bool includeMistyped = true)
{
if (caseSensitive)
{
str = str.ToLower();
otherStr = otherStr.ToLower();
}
var str1Arr = str.Split(splitBy).Where(w => w.Length >= minWordLength).ToArray();
var str2Arr = otherStr.Split(splitBy).Where(w => w.Length >= minWordLength).ToArray();
var m = new Metaphone();
var metaphoneStr1Arr = str1Arr.Select(w => m.Encode(w)).ToArray();
var metaphoneStr2Arr = str2Arr.Select(w => m.Encode(w)).ToArray();
var metaphoneIntersection = metaphoneStr1Arr.Intersect(metaphoneStr2Arr).ToArray();
var mistypedIntersection = new List <string>();
if (includeMistyped) // uwaga, przy takim porównywaniu wyjdzie, że II is similar to Munich
{
foreach (var s1 in str1Arr)
{
foreach (var s2 in str2Arr)
{
if (Math.Abs(s1.Length - s2.Length) <= 2 && (s1.ContainsAll(s2.Select(c => c.ToString()).ToArray()) || s2.ContainsAll(s1.Select(c => c.ToString()).ToArray())))
{
mistypedIntersection.Add(m.Encode(s1));
}
}
}
}
return(metaphoneIntersection.Concat(mistypedIntersection).Where(s => !string.IsNullOrWhiteSpace(s)).Distinct().ToArray());
}
public static bool IsSimilarTo(this string str, string otherStr)
{
var m = new Metaphone();
return(m.Encode(str) == m.Encode(otherStr));
}
