Floating point numbers

Match numbers containing floating point. Skip those that don’t.

1Speed of light in vacuum 299792458 m/s
2Standard atmosphere 101325 Pa
3Earth to sun distance 149600000 km
4Acceleration of gravity 9.80665 m/s^2
5Circumference to diameter ratio 3.141592
6Gas constant 8.3144621 J/mol*K

Pass a RiotExpression into qFloatingPointNumbers(...)

Answer one_or_more(DIGIT).then(DOT).then(one_or_more(DIGIT))