isPixEmail function

bool isPixEmail(
  1. String input
)

PIX DICT emails: form-grade, lowercase, at most 77 characters.

Use this for DICT / Pix keys. For signup forms use EmailAddress.

Implementation

bool isPixEmail(String input) {
  final trimmed = input.trim();
  if (trimmed.length > 77) {
    return false;
  }
  if (trimmed != trimmed.toLowerCase()) {
    return false;
  }
  return EmailAddress.isValid(trimmed);
}