const regex = /^AL\d{10}[0-9A-Z]{16}$|^AD\d{10}[0-9A-Z]{12}$|^AT\d{18}$|^BH\d{2}[A-Z]{4}[0-9A-Z]{14}$|^BE\d{14}$|^BA\d{18}$|^BG\d{2}[A-Z]{4}\d{6}[0-9A-Z]{8}$|^HR\d{19}$|^CY\d{10}[0-9A-Z]{16}$|^CZ\d{22}$|^DK\d{16}$|^FO\d{16}$|^GL\d{16}$|^DO\d{2}[0-9A-Z]{4}\d{20}$|^EE\d{18}$|^FI\d{16}$|^FR\d{12}[0-9A-Z]{11}\d{2}$|^GE\d{2}[A-Z]{2}\d{16}$|^DE\d{20}$|^GI\d{2}[A-Z]{4}[0-9A-Z]{15}$|^GR\d{9}[0-9A-Z]{16}$|^HU\d{26}$|^IS\d{24}$|^IE\d{2}[A-Z]{4}\d{14}$|^IL\d{21}$|^IT\d{2}[A-Z]\d{10}[0-9A-Z]{12}$|^[A-Z]{2}\d{5}[0-9A-Z]{13}$|^KW\d{2}[A-Z]{4}22!$|^LV\d{2}[A-Z]{4}[0-9A-Z]{13}$|^LB\d{6}[0-9A-Z]{20}$|^LI\d{7}[0-9A-Z]{12}$|^LT\d{18}$|^LU\d{5}[0-9A-Z]{13}$|^MK\d{5}[0-9A-Z]{10}\d{2}$|^MT\d{2}[A-Z]{4}\d{5}[0-9A-Z]{18}$|^MR13\d{23}$|^MU\d{2}[A-Z]{4}\d{19}[A-Z]{3}$|^MC\d{12}[0-9A-Z]{11}\d{2}$|^ME\d{20}$|^NL\d{2}[A-Z]{4}\d{10}$|^NO\d{13}$|^PL\d{10}[0-9A-Z]{,16}n$|^PT\d{23}$|^RO\d{2}[A-Z]{4}[0-9A-Z]{16}$|^SM\d{2}[A-Z]\d{10}[0-9A-Z]{12}$|^SA\d{4}[0-9A-Z]{18}$|^RS\d{20}$|^SK\d{22}$|^SI\d{17}$|^ES\d{22}$|^SE\d{22}$|^CH\d{7}[0-9A-Z]{12}$|^TN59\d{20}$|^TR\d{7}[0-9A-Z]{17}$|^AE\d{21}$|^GB\d{2}[A-Z]{4}\d{14}$/;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('^AL\\d{10}[0-9A-Z]{16}$|^AD\\d{10}[0-9A-Z]{12}$|^AT\\d{18}$|^BH\\d{2}[A-Z]{4}[0-9A-Z]{14}$|^BE\\d{14}$|^BA\\d{18}$|^BG\\d{2}[A-Z]{4}\\d{6}[0-9A-Z]{8}$|^HR\\d{19}$|^CY\\d{10}[0-9A-Z]{16}$|^CZ\\d{22}$|^DK\\d{16}$|^FO\\d{16}$|^GL\\d{16}$|^DO\\d{2}[0-9A-Z]{4}\\d{20}$|^EE\\d{18}$|^FI\\d{16}$|^FR\\d{12}[0-9A-Z]{11}\\d{2}$|^GE\\d{2}[A-Z]{2}\\d{16}$|^DE\\d{20}$|^GI\\d{2}[A-Z]{4}[0-9A-Z]{15}$|^GR\\d{9}[0-9A-Z]{16}$|^HU\\d{26}$|^IS\\d{24}$|^IE\\d{2}[A-Z]{4}\\d{14}$|^IL\\d{21}$|^IT\\d{2}[A-Z]\\d{10}[0-9A-Z]{12}$|^[A-Z]{2}\\d{5}[0-9A-Z]{13}$|^KW\\d{2}[A-Z]{4}22!$|^LV\\d{2}[A-Z]{4}[0-9A-Z]{13}$|^LB\\d{6}[0-9A-Z]{20}$|^LI\\d{7}[0-9A-Z]{12}$|^LT\\d{18}$|^LU\\d{5}[0-9A-Z]{13}$|^MK\\d{5}[0-9A-Z]{10}\\d{2}$|^MT\\d{2}[A-Z]{4}\\d{5}[0-9A-Z]{18}$|^MR13\\d{23}$|^MU\\d{2}[A-Z]{4}\\d{19}[A-Z]{3}$|^MC\\d{12}[0-9A-Z]{11}\\d{2}$|^ME\\d{20}$|^NL\\d{2}[A-Z]{4}\\d{10}$|^NO\\d{13}$|^PL\\d{10}[0-9A-Z]{,16}n$|^PT\\d{23}$|^RO\\d{2}[A-Z]{4}[0-9A-Z]{16}$|^SM\\d{2}[A-Z]\\d{10}[0-9A-Z]{12}$|^SA\\d{4}[0-9A-Z]{18}$|^RS\\d{20}$|^SK\\d{22}$|^SI\\d{17}$|^ES\\d{22}$|^SE\\d{22}$|^CH\\d{7}[0-9A-Z]{12}$|^TN59\\d{20}$|^TR\\d{7}[0-9A-Z]{17}$|^AE\\d{21}$|^GB\\d{2}[A-Z]{4}\\d{14}$', '')
const str = `NL39INGB0044332211`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
if ((m = regex.exec(str)) !== null) {
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions