a:the literal text a: (case sensitive) \s*any whitespace character, repeated any number of times
\/the literal / (4710 / 578 / 2F16)
\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
Negated Character Class[^\s\/]+ +matches at least one character outside the set below:
\sany whitespace character
\/the literal / (4710 / 578 / 2F16)
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