VB.net，如何组合或连接字符串列表中最接近的相似项

Imports System

Module Module1
    Sub Main()
        Dim strings As New List(Of String)()
        strings.Add("apple")
        strings.Add("banana")
        strings.Add("orange")
        strings.Add("grape")
        strings.Add("peach")

        Dim targetString As String = "aple"

        Dim closestIndex As Integer = -1
        Dim closestSimilarity As Integer = Integer.MaxValue

        For i As Integer = 0 To strings.Count - 1
            Dim similarity As Integer = CalculateSimilarity(targetString, strings(i))
            If similarity < closestSimilarity Then
                closestSimilarity = similarity
                closestIndex = i
            End If
        Next

        If closestIndex <> -1 Then
            Dim closestString As String = strings(closestIndex)
            Dim combinedString As String = targetString & closestString
            Console.WriteLine("The closest similar item is: " & closestString)
            Console.WriteLine("The combined string is: " & combinedString)
        Else
            Console.WriteLine("No similar item found.")
        End If

        Console.ReadLine()
    End Sub

    Function CalculateSimilarity(ByVal str1 As String, ByVal str2 As String) As Integer
        ' Implement your similarity calculation algorithm here
        ' For example, you can use Levenshtein distance algorithm
        ' to calculate the edit distance between two strings
        ' and return it as the similarity score.
        ' You can find VB.net implementation of Levenshtein distance
        ' algorithm online.

        ' Placeholder implementation
        Return Math.Abs(str1.Length - str2.Length)
    End Function
End Module