Diagnosis Statement:the literal text Diagnosis Statement: (case sensitive) \s*any whitespace character, repeated any number of times
.*any character (except for line terminators), repeated any number of times
\s*any whitespace character, repeated any number of times
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
^start of line
Character Class[A-Z0-9]{16} {16}matches exactly 16 characters from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
0-9one character from 0 (4810) to 9 (5710)
$end of line
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