(?m)applies the following effective flags to the remainder of the pattern: gm m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
^start of line
\s*any whitespace character, repeated any number of times
"the literal " (3410 / 428 / 2216)
Group pkgName(?P<pkgName>.*) .*any character (except for line terminators), repeated any number of times
\"the literal " (3410 / 428 / 2216)
\s*any whitespace character, repeated any number of times
:the literal : (5810 / 728 / 3A16)
\s*any whitespace character, repeated any number of times
\"the literal " (3410 / 428 / 2216)
Group version(?P<version>.*) .*any character (except for line terminators), repeated any number of times
"the literal " (3410 / 428 / 2216)
,*the literal , (4410 / 548 / 2C16) , repeated any number of times
$end of line
g modifier: global. Finds all matches instead of stopping after the first