Functions/Select-ApproximateString.ps1
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function Select-ApproximateString { <# .SYNOPSIS Perform approximate string matching. .DESCRIPTION This function lets you perform string matching using different approximate string matching algorithms. .EXAMPLE Select-ApproximateString -Search $searchQuery -In $searchData .EXAMPLE $searchData | Select-ApproximateString $searchQuery -Algorithm HammingDistance -Tolerance Weak .INPUTS System.String System.String[] .OUTPUTS System.String .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, # Algorithm to use for approximate string matching. [Parameter()] [PasmAlgorithm] $Algorithm = [PasmAlgorithm]::JaroWinklerDistance, # Matching tolerance. [Parameter()] [ValidateSet('Strong','Normal','Weak')] [string] $Tolerance = 'Normal', # Makes matches case-sensitive. By default, matches are not case-sensitive. [Parameter()] [switch] $CaseSensitive ) BEGIN { switch ($Tolerance) { 'Strong' { $toleranceValue = 80} 'Normal' { $toleranceValue = 60} 'Weak' { $toleranceValue = 40} } } PROCESS { foreach ($string in $Data) { $pasmScore = Get-PasmScore -String1 $Search -String2 $string -CaseSensitive:$CaseSensitive if ($pasmScore -ge $toleranceValue) { Write-Output $string } } } } |