\[the literal [ (9110 / 1338 / 5B16)
*matches any number of characters from the set below:
\da digit
,the literal , (4410 / 548 / 2C16)
*matches any number of characters from the set below:
\da digit
,the literal , (4410 / 548 / 2C16)
*matches any number of characters from the set below:
\da digit
\]*the literal ] (9310 / 1358 / 5D16) , repeated any number of times