shouldQuote method

bool shouldQuote(
  1. String value
)

Implementation

bool shouldQuote(String value) {
  if (value == "") {
    return true;
  } else {
    String letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
    for (int i = 0; i < value.length; i++) {
      String digit = value.substring(i, i + 1);
      if (letters.indexOf(digit) == -1) {
        return true;
      }
    }
    return false;
  }
}