How do I split a string on a delimiter in Bash?

Question

I have this string stored in a variable:

IN=\"bla@some.com;john@home.com\"

Now I would like to split the strings by ; delimite

Answer 1

echo "bla@some.com;john@home.com" | sed -e 's/;/\n/g'
bla@some.com
john@home.com