Re: Regular Expression Data Type

[Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>]

Richard Doust <rdoust(at)mac(dot)com> 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