Match Full Name JS Fundamentals

function matchFullName(names) {
    let pattern = /\b[A-Z][a-z]+ [A-Z][a-z]+\b/g;
    let validNames = [];

    while ((valName = pattern.exec(names)) !== null) {
        validNames.push(valName[0]);
    }
    console.log(validNames.join(' '));
}