-the literal - (4510 / 558 / 2D16)
\s?optionally matches any whitespace character
\d{4}a digit, repeated exactly 4 times
*matches any number of characters from the set below:
\sany whitespace character
*the literal * (4210 / 528 / 2A16)
\w*any word character, repeated any number of times
\s?optionally matches any whitespace character
\w*any word character, repeated any number of times