\{the literal { (12310 / 1738 / 7B16)
\s*?any whitespace character, repeated any number of times
Positive Lookahead(?=[a-z0-9-]*[A-Z]) Character Class[a-z0-9-]* *matches any number of characters from the set below:
a-zone character from a (9710) to z (12210) (case sensitive)
0-9one character from 0 (4810) to 9 (5710)
-the literal - (4510 / 558 / 2D16)
A-Zone character from A (6510) to Z (9010) (case sensitive)
.+any character (except for line terminators), repeated at least once
\.the literal . (4610 / 568 / 2E16)
Non-Capturing Group(?:i|I)* *repeats the group contents below any number of times:
ithe literal i (10510 / 1518 / 6916) (case sensitive)
Ithe literal I (7310 / 1118 / 4916) (case sensitive)
\s*?any whitespace character, repeated any number of times
\}the literal } (12510 / 1758 / 7D16)
g modifier: global. Finds all matches instead of stopping after the first