Janning Vygen <vygen(at)gmx(dot)de> writes:
> i searched the function list and tried to combine to or more
> functions, but i miss a replace function which uses regular
> expressions.
There isn't one in the SQL standard. Most people who need one write a
one-liner function in plperl or pltcl.
(Mind you, I don't know why we don't offer a built-in one --- the needed
regex engine is in there anyway. I guess no one has gotten around to
getting agreement on a syntax.)
regards, tom lane