^start of string
.*?any character (except for line terminators), repeated any number of times
:the literal : (5810 / 728 / 3A16)
\sany whitespace character
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
.*any character (except for line terminators), repeated any number of times
g modifier: global. Finds all matches instead of stopping after the first