bot/packages/bot-engine/blocks/inputs/url/validateUrl.ts

const urlRegex =
  /^(https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]:[0-9]*\.[^\s]{2,}|www\.[a-zA-Z0-9][a-zA-Z0-9-]+[a-zA-Z0-9]:[0-9]*\.[^\s]{2,}|https?:\/\/(?:www\.|(?!www))[a-zA-Z0-9]+\.[^\s]{2,}|www\.[a-zA-Z0-9]+\.[^\s]{2,})$/

export const validateUrl = (url: string) =>
  url.startsWith('http://localhost') ||
  url.startsWith('http://fake-upload-url.com') ||
  urlRegex.test(url)