^start of line
\s*any whitespace character, repeated any number of times
\[the literal [ (9110 / 1338 / 5B16)
\s*any whitespace character, repeated any number of times
.{12}any character (except for line terminators), repeated exactly 12 times
\s*any whitespace character, repeated any number of times
.{17}any character (except for line terminators), repeated exactly 17 times
\s*any whitespace character, repeated any number of times
Negated Character Class[^\]]* *matches any number of characters outside the set below:
\]the literal ] (9310 / 1358 / 5D16)
]the literal ] (9310 / 1358 / 5D16)
,?optionally matches the literal , (4410 / 548 / 2C16)
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