.*any character (except for line terminators), repeated any number of times
\sany whitespace character
Character Class[[:digit:]]* *matches any number of characters from the set below:
[:digit:]a digit [0-9]
\sany whitespace character
Non-Capturing Group(?:of|[\/]) ofthe literal text of (case sensitive) \/the literal / (4710 / 578 / 2F16)
\sany whitespace character
Character Class[[:digit:]]+ +matches at least one character from the set below:
[:digit:]a digit [0-9]
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