how can i check the email id shud take only lower case in PL/SQL block
i tried using vpos := REGEXP_LIKE(p_email_address,'[:lower:]','C'); as well
vpos ;= REGEXP_LIKE(p_email_address,'[^[:lower:]]','C')
But both says wrong type as error and p_email_address is a parameter of procedure and i declared vpos as varchar2
please help me!!!!
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