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PowerShell how to take a list of email recipients and validate whether it is a valid email address.

Posted on 2016-08-04
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Last Modified: 2016-08-08
If I have a semicolon delimited list of emails like:


OCRequiredInvitees@emaildomain.com;SAPEngineering:hosting@emaildomain.com

and I want to verify that each member in the list has "@emaildomain.com", how do I do that and put it back together so that it looks like this, in this case adding the email domain to SAPEngineering:

OCRequiredInvitees@emaildomain.com;SAPEngineering@emaildomain.com:hosting@emaildomain.com

Thanks for your help!
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Question by:Hankinater
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Qlemo earned 2000 total points
ID: 41742953
Is the colon correct? Shouldn't it be
  OCRequiredInvitees@emaildomain.com;SAPEngineering;hosting@emaildomain.com
? Assuming I'm correct, you would run something like
('OCRequiredInvitees@emaildomain.com;SAPEngineering;hosting@emaildomain.com' -split ';' | % {
  if ($_ -notmatch '.*@emaildomain.com') { $_ += '@emaildomain.com' }
  $_
}) -join ';'

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by:Hankinater
ID: 41743106
That's it - that's perfect!

Thanks Qlemo!
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Expert Comment

by:Qlemo
ID: 41743218
It's probably too simple, but might work for you. Usually I would add some more checks.
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