addNumberCommas function

String addNumberCommas(
  1. String value
)

Expects a string value. Will add a comma in every 3 characters of the string.

Implementation

String addNumberCommas(String value) {
  ///Returns the string provided with commas added.
  return value.replaceAllMapped(
      RegExp(r'(\d{1,3})(?=(\d{3})+(?!\d))'), (Match m) => '${m[1]},');
}