Functions/Select-FuzzyString.ps1
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function Select-FuzzyString { <# .SYNOPSIS Perform fuzzy string search. .DESCRIPTION This function lets you perform fuzzy string search, and will calculate a score for each result found. This score can be used to sort the results to get the most relevant results first. .EXAMPLE Select-FuzzyString -Search $searchQuery -In $searchData .EXAMPLE $searchData | Select-FuzzyString $searchQuery .EXAMPLE $searchData | Select-FuzzyString $searchQuery | Sort-Object Score,Result -Descending .INPUTS System.String System.String[] .OUTPUTS System.Object .NOTES Author: Øyvind Kallstad Date: 08.07.2016 Version: 1.0 .LINK https://communary.wordpress.com/ https://github.com/gravejester/Communary.PASM #> [CmdletBinding()] param ( # The search query. [Parameter(Position = 0)] [ValidateNotNullOrEmpty()] [string] $Search, # The data you want to search through. [Parameter(Position = 1, ValueFromPipeline = $true)] [ValidateNotNullOrEmpty()] [Alias('In')] [string] $Data, # Set to True (default) it will calculate the match score. [Parameter()] [switch] $CalculateScore = $true ) BEGIN { # Remove spaces from the search string $search = $Search.Replace(' ','') # Add wildcard characters before and after each character in the search string $quickSearchFilter = '*' $search.ToCharArray().ForEach({ $quickSearchFilter += $_ + '*' }) } PROCESS { foreach ($string in $Data) { # Trim to get rid of offending whitespace $string = $string.Trim() # Do a quick search using wildcards if ($string -like $quickSearchFilter) { Write-Verbose "Found match: $($string)" if ($CalculateScore) { # Get score of match $score = Get-FuzzyMatchScore -Search $Search -String $string Write-Output (,([PSCustomObject][Ordered] @{ Score = $score Result = $string })) } else { Write-Output $string } } } } } |