^start of line
Bluethe literal text Blue (case sensitive) \ban ASCII word boundary
\S*any non-whitespace character, repeated any number of times
\h+any horizontal 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
+matches at least one character from the set below:
\wany word character
:the literal : (5810 / 728 / 3A16)
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