Compare two dynamic variables

Question

Hello,
I'm struggeling comparing two variables against each other as seen below. I have some AD-group names in a csv file, and I have a  variable($getGroup) with results from a Get-ADGrup-query.
I'd like to filter out the groups of the csv-file from the variable, so "$getGroup" in this example should end up empty. 
In the example below, the return is the two groups, so it doesn't get filtered out. How can I do that?
Contents of exclude.csv:
Name,Comment
"AD,Group1","Some comment"
"AD*Group2","Some comment"
$excluded = Import-CSV 'C:\temp\exclude.csv'
$getGroup = Get-ADGroup -Filter * | Where-Object {$_.Name -like '*,*' -or $_.Name -like '*#*' -or $_.Name -like '*+*' -or $_.Name -like '*"*' -or $_.Name -like '*\*' -or $_.Name -like '*<*' -or $_.Name -like '*>*' -or $_.Name -like '*;*'}
#At this point $getGroup returns two groups; AD,Group1 and AD*Group2
$getGroup = $getGroup | Where-Object {$_.Name -notlike $excluded.Name}
$getGroup

Answer 1

Hi,
If you have actual group names in your input CSV, try this:
$excludedGroups = Import-Csv .\excludeGroups.csv | Select -ExpandProperty Name
Get-ADGroup -Filter * -SearchBase 'OU=Testing,DC=domain,DC=com' |
Where { $excludedGroups -notcontains $_.Name }
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