separateNumbers3By3 method

String separateNumbers3By3()

Puts a comma every 3 digits. "1500000" → "1,500,000"

Implementation

String separateNumbers3By3() => (this ?? "").replaceAllMapped(RegExp(r"(\d{1,3})(?=(\d{3})+(?!\d))"), (Match m) => "${m[1]},");