Richard Doust <rdoust@xxxxxxx> writes: > What I'd like to be able to do is to define a field in the database > as a regular expression so that when I select, i.e., > select price from shipping_prices where shipFromZip = '23773' and > shipToZip ~ '87927' > because shipToZip is defined as a regular expression, I'd match a row > where shipToZip held the value '879[0-9]{2,2}' or '87[0-9]*'. I don't see the problem ... you just write a variable instead of a constant on the right-hand side of ~, no? How efficient this might be is another question, but it works. regards, tom lane