\[the literal [ (9110 / 1338 / 5B16)
\ the literal (3210 / 408 / 2016)
\s*any whitespace character, repeated any number of times
Character Class[a-z#A-Z_]+ +matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case sensitive)
#the literal # (3510 / 438 / 2316)
A-Zone character from A (6510) to Z (9010) (case sensitive)
_the literal _ (9510 / 1378 / 5F16)
\s*any whitespace character, repeated any number of times
-?optionally matches the literal - (4510 / 558 / 2D16)
\d+a digit, repeated at least once
*repeats the group contents below any number of times:
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\s*any whitespace character, repeated any number of times
\ the literal (3210 / 408 / 2016)
]the literal ] (9310 / 1358 / 5D16)