+matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case insensitive)
\[the literal [ (9110 / 1338 / 5B16)
\d+a digit, repeated at least once
,the literal , (4410 / 548 / 2C16)
\d+a digit, repeated at least once
]the literal ] (9310 / 1358 / 5D16)
g modifier: global. Finds all matches instead of stopping after the first
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters