Parses a PropFuel data-export filename of the form [microtime]-[datatype].json.
The microtime is the leading numeric segment (PHP microtime, e.g. 1717804800.123456); the data
type is everything between the first - and the .json suffix. Returns null when the name does
not match the convention.
Parses a PropFuel data-export filename of the form
[microtime]-[datatype].json. The microtime is the leading numeric segment (PHP microtime, e.g.1717804800.123456); the data type is everything between the first-and the.jsonsuffix. Returns null when the name does not match the convention.