.*?any character (except for line terminators), repeated any number of times
fromthe literal text from (case sensitive) \s+any whitespace character, repeated at least once
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
Character Class[A-Za-z \d]{10} {10}matches exactly 10 characters from the set below:
A-Zone character from A (6510) to Z (9010) (case sensitive)
a-zone character from a (9710) to z (12210) (case sensitive)
the literal (3210 / 408 / 2016)
\da digit
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