Check Subdomein Got error 'empty (sub)expression' from regexp in SELECT id,sleutel,url,synoniemen,taalpar FROM subdomein WHERE ((kenmerk REGEXP 'ameland') ) AND ((sleutel regexp '(ricky|in|boerderij|dejong||reviews!)') OR (synoniemen regexp '(ricky|in|boerderij|dejong||reviews!)')) ORDER BY sleutel DESC;
Reviews van Appartement Ricky (in boerderij de Jong)