[Select-AllWordsMatch.ps1] Selects strings where all words are present in any order #powershell #textProcessing

Select-AllWordsMatch.ps1

function Select-AllWordsMatch {

    [CmdletBinding()]
    Param(
        [Parameter( 
            Mandatory,
            Position = 0,
            ValueFromPipelineByPropertyName
        )]
        [Alias( 'Word' )]
        [String[]] $Pattern,
        
        [Parameter( 
            Mandatory,
            Position = 1,
            ValueFromPipeline,
            ValueFromPipelineByPropertyName
        )]
        [Alias( 'Text' )]
        [String[]] $InputObject,

        [Switch] $WholeWords
    )

    Begin {
        $delimiter = ''
        if ($WholeWords) {
            $delimiter = '\b'
        }
        $regexFilter = (
            $Pattern |
                ForEach-Object {
                    "(?=.*$delimiter$_$delimiter)"
                }
        ) -join ''

        "[Select-AllWordsMatch]: Perform matching with pattern $regexFilter" | Write-Verbose
    }

    Process {
        foreach ($item in $InputObject) {
            "[Select-AllWordsMatch]: Matching text $item" | Write-Verbose
            if ($item -match $regexFilter) {
                $item
            }
        }
    }
    
    End {}
}