(?i)applies the following effective flags to the remainder of the pattern: gmi i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters
Nthe literal N (7810 / 1168 / 4E16) (case insensitive)
0the literal 0 (4810 / 608 / 3016)
othe literal o (11110 / 1578 / 6F16) (case insensitive)
\.the literal . (4610 / 568 / 2E16)
\s?optionally matches any whitespace character
-?optionally matches the literal - (4510 / 558 / 2D16)
\s?optionally matches any whitespace character
A-Zone character from A (6510) to Z (9010) (case insensitive)
0-9one character from 0 (4810) to 9 (5710)
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