| System: Linux srv913213 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 UTC 2026 x86_64 Current Path : /var/www/talentgenesis_admin_backend/node_modules/validator/es/lib/ |
| Current File : /var/www/talentgenesis_admin_backend/node_modules/validator/es/lib/isIMEI.js |
import assertString from './util/assertString';
var imeiRegexWithoutHyphens = /^[0-9]{15}$/;
var imeiRegexWithHyphens = /^\d{2}-\d{6}-\d{6}-\d{1}$/;
export default function isIMEI(str, options) {
assertString(str);
options = options || {};
// default regex for checking imei is the one without hyphens
var imeiRegex = imeiRegexWithoutHyphens;
if (options.allow_hyphens) {
imeiRegex = imeiRegexWithHyphens;
}
if (!imeiRegex.test(str)) {
return false;
}
str = str.replace(/-/g, '');
var sum = 0,
mul = 2,
l = 14;
for (var i = 0; i < l; i++) {
var digit = str.substring(l - i - 1, l - i);
var tp = parseInt(digit, 10) * mul;
if (tp >= 10) {
sum += tp % 10 + 1;
} else {
sum += tp;
}
if (mul === 1) {
mul += 1;
} else {
mul -= 1;
}
}
var chk = (10 - sum % 10) % 10;
if (chk !== parseInt(str.substring(14, 15), 10)) {
return false;
}
return true;
}