in tools/PasswordRulesParser.js [166:179]
function checkRange(start, end) {
let temp = [];
for (let i = _bitSetIndexForCharacter(start); i <= _bitSetIndexForCharacter(end); ++i) {
if (asciiPrintableBitSet[i]) {
temp.push(_characterAtBitSetIndex(i));
}
}
let result = temp.length === (_bitSetIndexForCharacter(end) - _bitSetIndexForCharacter(start) + 1);
if (!result) {
charactersSeen = charactersSeen.concat(temp);
}
return result;
}