Creates a new Duration instance from the string representation of the value.

Accepted formats:

• multiple digits followed by a time unit like: 12h30m where the time unit can be:
  • y: years
  • m: months
  • w: weeks
  • d: days
  • h: hours
  • m: minutes
  • s: seconds
  • ms: milliseconds
  • us or µs: microseconds
  • ns: nanoseconds
• ISO 8601 format:
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  P[n]Y[n]M[n]DT[n]H[n]M[n]S or P[n]W

• ISO 8601 alternative format:
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  P[YYYY]-[MM]-[DD]T[hh]:[mm]:[ss]

public static Duration Parse(
	string input
)