recoder-code
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14 lines (13 loc) • 453 B
JavaScript
export const isChecksumWithPartNumber = (checksum) => {
const lastHyphenIndex = checksum.lastIndexOf("-");
if (lastHyphenIndex !== -1) {
const numberPart = checksum.slice(lastHyphenIndex + 1);
if (!numberPart.startsWith("0")) {
const number = parseInt(numberPart, 10);
if (!isNaN(number) && number >= 1 && number <= 10000) {
return true;
}
}
}
return false;
};