import re
regex = r"(?m)^Review frequency[ \t]+([Qq]uarterly|(?:[Ss]emi-)?[Aa]nnually)[ \t]+(.*)"
test = "No. of components Variable\nReview frequency Quarterly (Mar., Jun., Sep., Dec.\nQuick facts\nTo learn more about the"
print(re.findall(regex, test))
aW1wb3J0IHJlCnJlZ2V4ID0gciIoP20pXlJldmlldyBmcmVxdWVuY3lbIFx0XSsoW1FxXXVhcnRlcmx5fCg/OltTc11lbWktKT9bQWFdbm51YWxseSlbIFx0XSsoLiopIgp0ZXN0ID0gIk5vLiBvZiBjb21wb25lbnRzIFZhcmlhYmxlXG5SZXZpZXcgZnJlcXVlbmN5IFF1YXJ0ZXJseSAoTWFyLiwgSnVuLiwgU2VwLiwgRGVjLlxuUXVpY2sgZmFjdHNcblRvIGxlYXJuIG1vcmUgYWJvdXQgdGhlIgpwcmludChyZS5maW5kYWxsKHJlZ2V4LCB0ZXN0KSk=