Text Processing 02. Modern Times of #(HashTag)

function hash(string) {
    string = string.split(' ');
    let words = string.filter(word => word.startsWith('#') && word.length > 1
        && /^[a-zA-Z]+$/.test(word.slice(1)));
    words = words.map(el => el.slice(1));
    console.log(words.join('\n'));
}