I need to find all of the unique characters within a text field - Mailing list pgsql-admin

From Campbell, Lance
Subject I need to find all of the unique characters within a text field
Date
Msg-id B10E6810AC2A2F4EA7550D072CDE876004B2DE55@SAB-FENWICK.sab.uiuc.edu
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Responses Re: I need to find all of the unique characters within a text field  (nw@hydaspes.if.org)
List pgsql-admin

How do I identify all of the unique characters within a text field?

Thanks,

Lance Campbell
Project Manager/Software Architect/DBA
Web Services at Public Affairs
217-333-0382

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