Get text between two rounded brackets

Question

How can I retrieve the word my from between the two rounded brackets in the following sentence using a regex in JavaScript?

\"This is (my

Answer 1

You may also try a non-regex method (of course if there are multiple such brackets, it will eventually need looping, or regex)

init = txt.indexOf('(');
fin = txt.indexOf(')');
console.log(txt.substr(init+1,fin-init-1))