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    <p>Here's something I wrote for a nearly identical stack (we needed to standardize the manufacturer names for hardware and there were all sorts of variations). This is client side though (VB.Net to be exact) -- and use the Levenshtein distance algorithm (modified for better results):</p> <pre><code> Public Shared Function FindMostSimilarString(ByVal toFind As String, ByVal ParamArray stringList() As String) As String Dim bestMatch As String = "" Dim bestDistance As Integer = 1000 'Almost anything should be better than that! For Each matchCandidate As String In stringList Dim candidateDistance As Integer = LevenshteinDistance(toFind, matchCandidate) If candidateDistance &lt; bestDistance Then bestMatch = matchCandidate bestDistance = candidateDistance End If Next Return bestMatch End Function 'This will be used to determine how similar strings are. Modified from the link below... 'Fxn from: http://ca0v.terapad.com/index.cfm?fa=contentNews.newsDetails&amp;newsID=37030&amp;from=list Public Shared Function LevenshteinDistance(ByVal s As String, ByVal t As String) As Integer Dim sLength As Integer = s.Length ' length of s Dim tLength As Integer = t.Length ' length of t Dim lvCost As Integer ' cost Dim lvDistance As Integer = 0 Dim zeroCostCount As Integer = 0 Try ' Step 1 If tLength = 0 Then Return sLength ElseIf sLength = 0 Then Return tLength End If Dim lvMatrixSize As Integer = (1 + sLength) * (1 + tLength) Dim poBuffer() As Integer = New Integer(0 To lvMatrixSize - 1) {} ' fill first row For lvIndex As Integer = 0 To sLength poBuffer(lvIndex) = lvIndex Next 'fill first column For lvIndex As Integer = 1 To tLength poBuffer(lvIndex * (sLength + 1)) = lvIndex Next For lvRowIndex As Integer = 0 To sLength - 1 Dim s_i As Char = s(lvRowIndex) For lvColIndex As Integer = 0 To tLength - 1 If s_i = t(lvColIndex) Then lvCost = 0 zeroCostCount += 1 Else lvCost = 1 End If ' Step 6 Dim lvTopLeftIndex As Integer = lvColIndex * (sLength + 1) + lvRowIndex Dim lvTopLeft As Integer = poBuffer(lvTopLeftIndex) Dim lvTop As Integer = poBuffer(lvTopLeftIndex + 1) Dim lvLeft As Integer = poBuffer(lvTopLeftIndex + (sLength + 1)) lvDistance = Math.Min(lvTopLeft + lvCost, Math.Min(lvLeft, lvTop) + 1) poBuffer(lvTopLeftIndex + sLength + 2) = lvDistance Next Next Catch ex As ThreadAbortException Err.Clear() Catch ex As Exception WriteDebugMessage(Application.StartupPath , [Assembly].GetExecutingAssembly().GetName.Name.ToString, MethodBase.GetCurrentMethod.Name, Err) End Try Return lvDistance - zeroCostCount End Function </code></pre>
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    1. COThis looks great! Thanks for sharing.
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