helpers.js

export function validURL(string) {
  const pattern = new RegExp(
    "^(https?:\\/\\/)?" + // protocol
    "((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|" + // domain name
    "((\\d{1,3}\\.){3}\\d{1,3}))" + // OR ip (v4) address
    "(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*" + // port and path
    "(\\?[;&a-z\\d%_.~+=-]*)?" + // query string
      "(\\#[-a-z\\d_]*)?$",
    "i"
  ); // fragment locator
  return !!pattern.test(string);
}

export function getURLS(string) {
  var pattern = /[-a-zA-Z0-9@:%._+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_+.~#?&//=]*)?/gi;
  const repexp = new RegExp(pattern);
  return string.match(repexp) || [];
}