In response to Henry : > Greets, > > I must be missing something here: > > SELECT '1.1.1.1' ~ E'^\d+'; > > returns FALSE, when I would expect TRUE, as for: Try: test=*# SELECT '1.1.1.1' ~ E'^\\d+'; ?column? ---------- t (1 row) Regards, Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general