Rob Sargent <robjsargent@gmail.com> writes:
> On our 9.0.4[1] server my regexp_replace is a no-op, but on the 9.0.3[2]
> test machine and my 9.1.2[3] dev box all is fine
AFAICS from the commit logs, there were no changes affecting the regex
code between 9.0.3 and 9.0.4. I'm suspicious that your data is
different on the different servers.
regards, tom lane