https://the literal text https:// (case sensitive) Group url_prefix(?P<url_prefix>.+) .+any Unicode character (except for line terminators), repeated at least once
\.the literal . (4610 / 568 / 2E16)
cloudfrontthe literal text cloudfront (case sensitive) .any Unicode character (except for line terminators)
net/the literal text net/ (case sensitive) Group folderpath(?P<folderpath>.+) .+any Unicode character (except for line terminators), repeated at least once
/the literal / (4710 / 578 / 2F16)
Group filename(?P<filename>.+) .+any Unicode character (except for line terminators), repeated at least once
\.the literal . (4610 / 568 / 2E16)
.+any Unicode character (except for line terminators), repeated at least once
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string