re = /(?<=")(.*)(?=")/m
str = '"https://g...content-available-to-author-only...t.com/anonymous/d2efee7b3967debc531d67de9cc7993a/raw/3f5e0e63ce6fe3aa4cffc2d0afafd2415408308a/gistfile1.txt"'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
cmUgPSAvKD88PSZxdW90OykoLiopKD89JnF1b3Q7KS9tCnN0ciA9ICcmcXVvdDtodHRwczovL2cuLi5jb250ZW50LWF2YWlsYWJsZS10by1hdXRob3Itb25seS4uLnQuY29tL2Fub255bW91cy9kMmVmZWU3YjM5NjdkZWJjNTMxZDY3ZGU5Y2M3OTkzYS9yYXcvM2Y1ZTBlNjNjZTZmZTNhYTRjZmZjMmQwYWZhZmQyNDE1NDA4MzA4YS9naXN0ZmlsZTEudHh0JnF1b3Q7JwoKIyBQcmludCB0aGUgbWF0Y2ggcmVzdWx0CnN0ci5zY2FuKHJlKSBkbyB8bWF0Y2h8CiAgICBwdXRzIG1hdGNoLnRvX3MKZW5kCg==