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Editorial Team
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Asked: 2026-05-26T18:52:14+00:00

I have this query that pulls email addresses from our DB. There is a

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I have this query that pulls email addresses from our DB. There is a lot of junk data, so I only want to see valid email addresses. Here is my syntax:

    SELECT DISTINCT Email
FROM         dbo.Customers
WHERE     (Email IS NOT NULL) 
AND (Email LIKE '%@%') 
AND (RIGHT(Email, 4) IN ('.net', '.com', '.org')) 
AND (Email NOT LIKE '%@UniformCity.com') 
AND (Email NOT LIKE '%@LifeUniform.com') 
AND (RIGHT(RTRIM(Email), 1) <> '.') AND (LEFT(LTRIM(Email), 1) <> '@')  --first character not @
AND (Email not Like '%[`:;_*-,()+%\/=#-]%') order by Email

I want to detect periods at the beginning of the email. Also as a bonus, how can I tell my like statement to look for “[” without screwing it up?

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1 Answer

  1. Editorial Team

    How about

    AND (CHARINDEX('.', Email) <> 1)

    For the [], you could just change the escape character?

    AND (Email not Like '%[`:;_*-,^[^]()+%\/=#-]%' ESCAPE '^')

    http://msdn.microsoft.com/en-us/library/ms179859.aspx

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