isStrongPassword static method
Returns true for a strong password (min 8 chars, mixed case + digit).
Implementation
static bool isStrongPassword(String value) {
if (value.length < 8) return false;
return RegExp(r'[a-z]').hasMatch(value) &&
RegExp(r'[A-Z]').hasMatch(value) &&
RegExp(r'[0-9]').hasMatch(value);
}