*repeats the group contents below any number of times:
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
Negative Lookahead(?![A-Z]{2}) {2}matches exactly 2 characters from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
.*any Unicode character (except for line terminators), repeated any number of times