Sed programming question

[Gordon Messmer]

Dan Thurman wrote:
> I tested your suggestion above with and without -r option
> but could not make it work as an "AND operator":
> 
> # echo "foo har" | sed -re '/foo/{/bar/{s/foo/goo/}}'
> goo har

$ rpm -q sed
sed-4.1.5-11.fc10.x86_64

$ echo "foo har" | sed -re '/foo/{/bar/{s/foo/goo/}}'
foo har