Rsa97

function generate(string, rest) {
  if (rest.length == 0) {
    console.log(string);
    return
  }
  rest[0].forEach(element => {
    generate(string+element, rest.slice(1));
  });
}
generate('', modifiers);

/*check if the item starts with the same letters as the text field value:*/
        if (arr[i].substr(0, val.length).toUpperCase() == val.toUpperCase()) {

$('tbody#parent>tr:gt(0)>td:nth-child(3)').each(function(index) {
  $(this).text(data['set']['items'][index]['name']);
});

'a https://vk.com a'.match(/(http(s)?:\/\/)?vk\.com/g)