formatString static method

String formatString(
  1. String str
)

Implementation

static String formatString(String str) {
  if (str == "null" || str.isEmpty || str.length < 10) {
    return str;
  }
  String formattedStr = "(";

  formattedStr += "${str.substring(0, 3)}) ";

  formattedStr += "${str.substring(3, 6)} ";

  formattedStr += "${str.substring(6, 8)} ";

  formattedStr += str.substring(8);

  return formattedStr;
}