@fewcha/web3/src/utils/isUrl.ts

The `@fewcha/web3` library aims to be an all-in-one toolkit to enable developers interact with Aptos Blockchain and its ecosystem.

// Copyright 2022 Fewcha. All rights reserved.

export const isUrl = (url: 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(url);
};