IF <variable> = '' OR 'NL'?

I’m afraid this is a real newbie question. In a report I want to use this condition: IF = ‘’ or ‘NL’ THEN BEGIN But apparently I cannot use the operator ‘OR’ in this case. How should I do this?

if (x = ‘’) or (x = ‘NL’) then

Hi Jatuphot, Thanks a lot!

You can also use: IF x IN [’’,‘NL’] THEN