Which characters make a URL invalid? - Stack Overflow 12 All valid characters that can be used in a URI (a URL is a type of URI) are defined in RFC 3986 All other characters can be used in a URL provided that they are "URL Encoded" first This involves changing the invalid character for specific "codes" (usually in the form of the percent symbol (%) followed by a hexadecimal number)
What does the @Valid annotation indicate in Spring? 21 IIRC @Valid isn't a Spring annotation but a JSR-303 annotation (which is the Bean Validation standard) What it does is it basically checks if the data that you send to the method is valid or not (it will validate the scriptFile for you)
Difference between @Valid and @Validated in Spring In the example code snippets of the question, @Valid and @Validated make no difference But if the @RequestBody is annotated with a List object, or is a string value annotated by @RequestParam, the validation will not take effect
Valid characters of a hostname? - Stack Overflow Checkout this wiki, specifically the section Restrictions on valid host names Hostnames are composed of series of labels concatenated with dots, as are all domain names For example, "en wikipedia org" is a hostname Each label must be between 1 and 63 characters long, and the entire hostname (including the delimiting dots but not a trailing dot) has a maximum of 253 ASCII characters The