[j0hnik]

const data = [
  {
    id: "1",
    name: "Apple iPhone 5c",
    memory: "16GB, 32GB and RAM 1 GB"
  },
  {
    id: "2",
    name: "Apple iPhone 6",
    memory: "16GB, 32GB and RAM 1 GB"
  },
  {
    id: "3",
    name: "Lenovo A6000",
    memory: "16GB, 32GB and RAM 1 GB"
  }
];
var pat = new RegExp('^le','i'), //означает что, значение name должно начинаться с le
newData = data.filter(el=> pat.test(el.name));

console.log(newData);