get-SenderAddress.ps1
function Get-SenderAddress { param( [parameter( ValueFromPipeLine=$true )] [PSObject] $InputObject, [parameter(Mandatory=$true)] [ValidateSet('p1','p2')] [string] $SenderFrom ) Process { switch ($SenderFrom) { 'p1' { $InputObject.P1FromAddress | Where-Object { $_ -match '.+@.+\..+' } } 'p2' { $InputObject.P2FromAddresses | Where-Object { $_ -match '.+@.+\..+' } | Select-Object -Unique } } # switch } } |