Help with function

Sorry why do you need a function here?

Cant you just do an inline join operation to get the email

ie like

SELECT v.ID_NBR,
CASE 
WHEN et.email LIKE '%@%' THEN et.email 
WHEN v.EMAIL like '%@%' THEN v.EMAIL 
ELSE NULL 
END AS email 
FROM view_a v
LEFT JOIN email_table et 
ON et.ID_NBR = v.ID_NBR
WHERE v.ID_NBR = @id_nbr

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Visakh
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