diff --git a/Multiplatform/Shared/String+URLChecker.swift b/Multiplatform/Shared/String+URLChecker.swift index dd482b238..c2cc1e1db 100644 --- a/Multiplatform/Shared/String+URLChecker.swift +++ b/Multiplatform/Shared/String+URLChecker.swift @@ -9,6 +9,8 @@ import Foundation extension String { + + /// Reference: [StackOverflow](https://stackoverflow.com/questions/161738/what-is-the-best-regular-expression-to-check-if-a-string-is-a-valid-url) var isValidURL: Bool { let regEx = "^(http|https|feed)\\://([a-zA-Z0-9\\.\\-]+(\\:[a-zA-Z0-9\\.&%\\$\\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\\-]+\\.)*[a-zA-Z0-9\\-]+\\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{2}))(\\:[0-9]+)*(/($|[a-zA-Z0-9\\.\\,\\?\\'\\\\\\+&%\\$#\\=~_\\-]+))*$" let predicate = NSPredicate(format:"SELF MATCHES %@", argumentArray:[regEx])