import Validators from './validators'
import { regFormat } from './helpers'
const REG_URL = /^(?:(?:(?:https?):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i
// Uses "format" internally which is already memoized
let url = regFormat(function (options) {
let protocols = [].concat(options.protocols || options.protocol || Validators.defaultOptions.urlProtocols).join('|')
return protocols !== 'http|https' ? new RegExp(REG_URL.source.replace('https?', protocols), REG_URL.flags) : REG_URL
}, 'url')
url.REG_URL = REG_URL
export default url
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