def

func:isDigit

Is number a digit in the specified radix. A decimal radix of ten returns true for 0-9. A radix of 16 also returns true for a-f and A-F.

Examples:

isDigit("5".get(0))      >>  true
isDigit("A".get(0))      >>  false
isDigit("A".get(0), 16)  >>  true

feature	Feature namespace of definitions formatted as `feature:name`
func	Axon function