const regex = /P<(?<country>\w{3})(?<lname>[A-Z]+)(<(?<lname2>[A-Z]+))?<<(?<fname>[A-Z]+)<(?<mname1>[A-Z]+)?<(?<mname2>[A-Z]+)?<(?<mname3>[A-Z]+)?/;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('P<(?<country>\\w{3})(?<lname>[A-Z]+)(<(?<lname2>[A-Z]+))?<<(?<fname>[A-Z]+)<(?<mname1>[A-Z]+)?<(?<mname2>[A-Z]+)?<(?<mname3>[A-Z]+)?', '')
const str = ``;
// 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