- 是否是合法的url
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values.avatar = values.avatar.replace(/^https?:\/\/[^/]+/, ""); // 如果存在域名 去掉
const reg = /(((^https?:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+(?::\d+)?|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)$/;
export const isUrl = path => reg.test(path);