where -in wildcards

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This topic contains 4 replies, has 3 voices, and was last updated by

2 years, 10 months ago.

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  • #43754

    Points: 35
    Rank: Member

    what's a better way to say

    | where {$_.property -like "*this*" -or $_.property -like "*that*" -or $_.property -like "*theOther*}

    is "where property -in (....)" supposed to work with wildcards?

  • #43768

    Points: 1,811
    Helping HandTeam Member
    Rank: Community Hero

    -in does not work with wildcards, no, nor does it do what I think you're thinking. -in is a logical opposite of -contains, and it checks for an object's membership in a collection. It isn't like the T-SQL "IN" clause. There is no syntax for "-in (...)" in PowerShell.

    You could do this:

    $possibles = @('this','that','theOther')
    where {$_.property -in $possibles}
  • #43770

    Points: 35
    Rank: Member

    I think I need the wildcards. The value of property is going to be "something this etc" or "something that etc"

  • #43774

    Points: 0
    Rank: Member

    Personally, I'd use the -match operator here, since regex has an "or" operator built-in:

    $something | Where { $_.property -match 'this|that|theother' }
  • #43776

    Points: 35
    Rank: Member

    thanks Dave, match seems to be working.

    my script is looking for expiring certificates from the Local Machine's Personal store, Trusted Root CA store, and Intermediate CA store, but I really only care about certificates that were issued by certain (internal) entities– mainly because there are some really old, expired trusted root certificates that I think maybe the OS depends on, so I don't want to delete them. but the format of the certificate "subject" (aka the 'property' in my original question) is not consistent. most of the time it's "CN=Some CA,OU=Some Department,O=That Company", etc., but occasionally it's an email address someguy@theother.com.

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