package performer import ( "regexp" ) var ( twitterURLRE = regexp.MustCompile(`^https?:\/\/(?:www\.)?twitter\.com\/`) instagramURLRE = regexp.MustCompile(`^https?:\/\/(?:www\.)?instagram\.com\/`) ) func IsTwitterURL(url string) bool { return twitterURLRE.MatchString(url) } func IsInstagramURL(url string) bool { return instagramURLRE.MatchString(url) }