=the literal = (6110 / 758 / 3D16)
Negated Character Class[^\d-]* *matches any number of characters outside the set below:
\da Unicode decimal digit
-the literal - (4510 / 558 / 2D16)
Group mean(?P<mean>-?\d*\.?\d+) -?optionally matches the literal - (4510 / 558 / 2D16)
\d*a Unicode decimal digit, repeated any number of times
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d+a Unicode decimal digit, repeated at least once
\s*a Unicode whitespace character, repeated any number of times
\+the literal + (4310 / 538 / 2B16)
\s*a Unicode whitespace character, repeated any number of times
Group sd(?P<sd>\d*\.?\d+) \d*a Unicode decimal digit, repeated any number of times
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d+a Unicode decimal digit, repeated at least once
\W+any character that is not a Unicode word character, repeated at least once
.+any Unicode character (except for line terminators), repeated at least once
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