depth:the literal text depth: (case sensitive) \s*a Unicode whitespace character, repeated any number of times
\d+a Unicode decimal digit, repeated at least once
Non-Capturing Group(?:\.\d+)? ?repeats the group contents below at most once:
\.the literal . (4610 / 568 / 2E16)
\d+a Unicode decimal digit, repeated at least once
Non-Capturing Group(?:\s*\w+)? ?repeats the group contents below at most once:
\s*a Unicode whitespace character, repeated any number of times
\w+a Unicode word character, repeated at least once
\s*a Unicode whitespace character, repeated any number of times
-the literal - (4510 / 558 / 2D16)
\s*a Unicode whitespace character, repeated any number of times
\d+a Unicode decimal digit, repeated at least once
Non-Capturing Group(?:\.\d+)? ?repeats the group contents below at most once:
\.the literal . (4610 / 568 / 2E16)
\d+a Unicode decimal digit, 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