Group l(?P<l>\d+(\,\d+)?) \d+a Unicode decimal digit, repeated at least once
?repeats the group contents below at most once:
\,the literal , (4410 / 548 / 2C16)
\d+a Unicode decimal digit, repeated at least once
\s*a Unicode whitespace character, repeated any number of times
xthe literal x (12010 / 1708 / 7816) (case sensitive)
\s*a Unicode whitespace character, repeated any number of times
Group w(?P<w>\d+(\,\d+)?) \d+a Unicode decimal digit, repeated at least once
?repeats the group contents below at most once:
\,the literal , (4410 / 548 / 2C16)
\d+a Unicode decimal digit, repeated at least once
\s*a Unicode whitespace character, repeated any number of times
xthe literal x (12010 / 1708 / 7816) (case sensitive)
\s*a Unicode whitespace character, repeated any number of times
Group h(?P<h>\d+(\,\d+)?) \d+a Unicode decimal digit, repeated at least once
?repeats the group contents below at most once:
\,the literal , (4410 / 548 / 2C16)
\d+a Unicode decimal digit, repeated at least once
g modifier: global. Finds all matches instead of stopping after the first