instantExp top-level property
Implementation
final RegExp instantExp = RegExp(
r'(?<year>[0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)-(?<month>0[1-9]|1[0-2])-(?<day>0[1-9]|[1-2][0-9]|3[0-1])T(?<hour>[01][0-9]|2[0-3]):(?<minute>[0-5][0-9]):(?<second>[0-5][0-9]|60)(\.(?<millimicrosecond>[0-9]{1,9}))?(?<timezone>Z|(\+|-)(?<tzhour>0[0-9]|1[0-3]):(?<tzminute>[0-5][0-9]|14:00))');