Positive Lookbehind(?<=[Ii][Bb][Aa][Nn]\s) Ithe literal I (7310 / 1118 / 4916) (case sensitive)
ithe literal i (10510 / 1518 / 6916) (case sensitive)
Bthe literal B (6610 / 1028 / 4216) (case sensitive)
bthe literal b (9810 / 1428 / 6216) (case sensitive)
Athe literal A (6510 / 1018 / 4116) (case sensitive)
athe literal a (9710 / 1418 / 6116) (case sensitive)
Nthe literal N (7810 / 1168 / 4E16) (case sensitive)
nthe literal n (11010 / 1568 / 6E16) (case sensitive)
\sa Unicode whitespace character
.*any Unicode character (except for line terminators), repeated any number of times
Nthe literal N (7810 / 1168 / 4E16) (case sensitive)
nthe literal n (11010 / 1568 / 6E16) (case sensitive)
Lthe literal L (7610 / 1148 / 4C16) (case sensitive)
lthe literal l (10810 / 1548 / 6C16) (case sensitive)
\s?optionally matches a Unicode whitespace character
\d{2}a Unicode decimal digit, repeated exactly 2 times
\s?optionally matches a Unicode whitespace character
Character Class[a-zA-Z]{4} {4}matches exactly 4 characters from the set below:
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
0the literal 0 (4810 / 608 / 3016)
the literal (3210 / 408 / 2016)
\s?optionally matches a Unicode whitespace character
\d{9,10}a Unicode decimal digit, repeated between 9 and 10 times
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