bot-28/node/node_modules/validator/es/lib/isMagnetURI.js

import assertString from './util/assertString';
var magnetURIComponent = /(?:^magnet:\?|[^?&]&)xt(?:\.1)?=urn:(?:(?:aich|bitprint|btih|ed2k|ed2khash|kzhash|md5|sha1|tree:tiger):[a-z0-9]{32}(?:[a-z0-9]{8})?|btmh:1220[a-z0-9]{64})(?:$|&)/i;
export default function isMagnetURI(url) {
  assertString(url);
  if (url.indexOf('magnet:?') !== 0) {
    return false;
  }
  return magnetURIComponent.test(url);
}