"Michael Loftis" <taos@activesw.com> writes:
> IE are the characters A or B or C or D in the string "dogma" would be
> INSTR('ABCD','dogma');
See the regular-expression match operators (~ and ~*). The above would
be
select 'dogma'::text ~* '[ABCD]'::text;
assuming you meant you wanted case-insensitive match.
regards, tom lane
