Mario Splivalo wrote: > On Tue, 2006-09-05 at 08:42 -0500, Aaron Bono wrote: > > On 9/5/06, Mario Splivalo <[EMAIL PROTECTED]> wrote: > > > > pulitzer2=# select 'stop works' ~ '^\s*(?:[\ > > +|-]|(?:[sS][tT][oO][pP]\b)).*$'; > > ?column? > > ---------- > > f > > (1 row) > > > > Here, postgres should return true, but it gives me false. > > > > > > \b is a back-space - is that what you are wanting there? If I remove > > it I get true. > > Actually, I'm not sure :) As I've mentioned, python/java/perl do as I > expected, postgres on the other hand doesn't. If \b was the backspace, > then I'd have trouble with '+mario test', and that one seems to be OK.
No, because the \b is inside the "stop" arm of the |. You need to do *both*, double backslashes and get rid of \b (or at least understand what you actually mean with it ...) -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc. ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings