Home/ Questions/Q 1002847
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-05-16T07:53:14+00:00

I have a nomenclature to respect while performing some tasks against the Active Directory.

  • 0

I have a nomenclature to respect while performing some tasks against the Active Directory.

Here’s the nomenclature:

  • TT-EEE-Mnemonic: if TT = ‘GA’ or ‘GS’ or ‘PA’ or ‘PF’ -> the schema to create is a “group”, with a groupScope of Global.
    1. LT-EEE-Mnemonic: if T = ‘A’ or ‘G’ or ‘I’ or ‘N’ or ‘P’ -> the schema to create is a “group”, with a groupScope of Domain local.
    2. TTT-EEE-Mnemonic: if TTT* = ‘CNX’ or ‘GST’ or ‘SVC’ -> the shema to create is an “user”
    3. T-SSSS-Mnemonic: if T = ‘A’ or ‘L’ or ‘M’ or ‘R’ or ‘S’ -> the schema to create is an “organizationUnit”

What I’m after is a simpler and more effective way than this:

If(dn.Substring(3, 2).Contains("GA") _
    Or variable.Substring(3, 2).Contains("GS") _
    Or dn.Substring(3, 2).Contains("PA") _
    Or dn.Substring(3, 2).Contains("PF")) Then 
    schema = "group" ' Global'
Else If(dn.Substring(4, 1).Contains("A") _
    Or dn.Substring(4, 1).Contains("G") _
    Or dn.Substring(4, 1).Contains("I") _
    Or dn.Substring(4, 1).Contains("N") _
    Or dn.Substring(4, 1).Contains("P")) Then
    schema = "group" ' Local'
Else If(dn.Substring(3, 3).Contains("CNX") _
    ' Well... You get the idea, don't you?
End If

I guess I could use a RegularExpression, or perhaps one for each of the nomenclature I got, something alike.

Is there a way a RegularExpression could become handy in this situation? Or would it be best to stick with that old big-If? Any suggestions are welcome.

Sorry for asking, but I’m not used to use RegularExpression. I know they exist, and bit of what they can do, but that’s all.

Thanks!

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    It’d vastly reduce the number of tests and explicit Ors. 

    If Regex.IsMatch(dn, "^CN=(G[AS]|P[AF])-") Then
    schema = "group"    ' Global                 'damn syntax highlighting
ElseIf Regex.IsMatch(dn, "^CN=L[AGINP]-") Then
    schema = "group"    ' Local                  'damn syntax highlighting
ElseIf Regex.IsMatch(dn, "^CN=(CNX|GST|SVC)-") Then
    schema = "user"
ElseIf Regex.IsMatch(dn, "^CN=[ALMRS]-") Then
    schema = "organizationUnit"
End If
    • 0