07.05.2018 13:57, Gabor Boros mlngl...@bgss.hu [firebird-support] wrote: > So I see what you say. But result of > > SELECT CAST(''='' AS CHAR(5)) SIMILAR TO '[A-Z]{2}[0-9A-Z]{2,13}' FROM > RDB$DATABASE; > > is > > ======= > <false>
Perhaps, it must be CHAR(4) or VARCHAR. I'm not sure in type of implicit cast result. -- WBR, SD. ------------------------------------ ------------------------------------ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Visit http://www.firebirdsql.org and click the Documentation item on the main (top) menu. Try FAQ and other links from the left-side menu there. Also search the knowledgebases at http://www.ibphoenix.com/resources/documents/ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ------------------------------------ Yahoo Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/firebird-support/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/firebird-support/join (Yahoo! ID required) <*> To change settings via email: firebird-support-dig...@yahoogroups.com firebird-support-fullfeatu...@yahoogroups.com <*> To unsubscribe from this group, send an email to: firebird-support-unsubscr...@yahoogroups.com <*> Your use of Yahoo Groups is subject to: https://info.yahoo.com/legal/us/yahoo/utos/terms/