"the literal " (3410 / 428 / 2216)
\d*a digit, repeated any number of times
"the literal " (3410 / 428 / 2216)
\sany whitespace character
:the literal : (5810 / 728 / 3A16)
\sany whitespace character
*matches any number of characters from the set below:
\da digit
.the literal . (4610 / 568 / 2E16)