(?si)applies the following effective flags to the remainder of the pattern: gmsi s modifier: single line. Allows a dot to match line terminators
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters
Negated Character Class[^\d]+ +matches at least one character outside the set below:
\da digit
Negated Character Class[^.]+ +matches at least one character outside the set below:
.the literal . (4610 / 568 / 2E16)
\.the literal . (4610 / 568 / 2E16)
\h*any horizontal whitespace character, repeated any number of times
.*?any character, repeated any number of times
{2}matches exactly 2 characters from the set below:
A-Zone character from A (6510) to Z (9010) (case insensitive)
,?optionally matches the literal , (4410 / 548 / 2C16)
\h*any horizontal whitespace character, repeated any number of times
\d+a digit, repeated at least once
Non-Capturing Group(?:-\d+)? ?repeats the group contents below at most once:
-the literal - (4510 / 558 / 2D16)
\d+a 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