Convert nmap 'grepeable' output into a PowerShell PSObject

Convert-NmapOutput.ps1

# Deprecated. 

# Usage:
# nmap 'grepeable' scan: nmap -oG outputfile.txt --open google.com
# when scan finishes, run:
# Get-Content outputfile.txt | Convert-NmapOutput
#
function Convert-NmapOutput {
    [CmdletBinding()]
    [OutputType([psobject])]
    param (
        [Parameter(Mandatory=$true, ValueFromPipeline=$true, Position=0)]
        [string[]] $Data
    )

    begin { $output = @() }
    process {
        $Data | ForEach-Object {
            if ($_.Contains('Ports:')) { 
                $ip = [string](([regex]::Match($_,"(?<ip>(?:(?:2(?:[0-4][0-9]|5[0-5])|[0-1]?[0-9]?[0-9])\.){3}(?:(?:2([0-4][0-9]|5[0-5])|[0-1]?[0-9]?[0-9])))")).groups["ip"].value)
                $hostname = [string](([regex]::Match($_,"\d\s\((?<hostname>[\w\-\.]+)\)")).groups["hostname"].value)
                $port = [string](([regex]::Match($_,"Ports:\s(?<port>[\w\/\,\-\s]+\/)")).groups["port"].value)
        
                $out = New-Object PSObject
                $out | Add-Member -type NoteProperty -name ip -Value $ip
                $out | Add-Member -type NoteProperty -name hostname -Value $hostname
                $out | Add-Member -type NoteProperty -name port -Value $port
                $output += $out
            }
        }
    }
    end { $output }
}