SQL Learning Center - GoldMine

Type: MSSQL
Description: Find Malformed Email Addresses
NOTE: Because this query is looking for special characters it doesn’t display properly in a web page - please cut and paste the text of the query from here: Find Malformed Email Addresses


SELECT
accountno
,cs.contsupref AS 'E-Mail Address'
FROM
contsupp cs
WHERE
(cs.CONTACT = 'E-mail Address')
AND (SELECT
CASE
WHEN cs.contsupref IS NULL
OR CHARINDEX('@.',cs.contsupref) > 0
OR CHARINDEX('.@',cs.contsupref) > 0
OR CHARINDEX('..',cs.contsupref) > 0
OR CHARINDEX('"', cs.contsupref) <> 0
OR CHARINDEX(’(', cs.contsupref) <> 0
OR CHARINDEX(’)', cs.contsupref) <> 0
OR CHARINDEX(’,', cs.contsupref) <> 0
OR CHARINDEX(’< ', cs.contsupref) <> 0
OR CHARINDEX(’>', cs.contsupref) <> 0
OR CHARINDEX(’;', cs.contsupref) <> 0
OR CHARINDEX(’:', cs.contsupref) <> 0
OR CHARINDEX(’[', cs.contsupref) <> 0
OR CHARINDEX(’]', cs.contsupref) <> 0
OR RIGHT(RTRIM(cs.contsupref),1) = ‘.’
OR CHARINDEX(’ ‘,LTRIM(RTRIM(cs.contsupref))) > 0
OR LEN(cs.contsupref)-1 < = CHARINDEX('.', cs.contsupref)
OR cs.contsupref LIKE '%@%@%'
OR cs.contsupref NOT LIKE '%@%.%' THEN 0
ELSE 1
END) = 0