Alexander Farber <alexander.farber@xxxxxxxxx> writes: > I'm trying at the psql prompt of an UTF8 database in 8.4.13: > # select 'Ð?Ð?Ð?Ð?Ð?' ~ '^[\u0410-\u042F]{2,}$'; > WARNING: nonstandard use of escape in a string literal I think Unicode escapes were introduced in 9.0. In 8.4 you'd probably have to write out the UTF8 equivalent as octal escapes :-( regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general