The best way in my opinion is to use the browser's inbuilt HTML escape functionality to handle many of the cases. How do I replace all occurrences of a string in JavaScript? can be considered as awkward or ugly. Percent-encoding, also known as URL encoding, is a method to encode arbitrary data in a Uniform Resource Identifier (URI) using only the limited US-ASCII characters legal within a URI. Where necessary, wrap the output in a block element yourself. If you want to escape a string of markup using JavaScript there is: or, if you don't want to pull in a dependency, here is the same thing, though slightly slower because it uses split/map/join instead of charCodeAt/substring. replace < by the < HTML entity). | ? ), and labels on those controls. In this case, the double quotes don't need to be escaped. Something else? There is explanation mistake. You can mix and match escaped identifiers, e.g. @poke as you noted at the time, the question is not answerable as asked, because neither "escape" nor "special" is properly defined. ), and labels on those controls. Is there a keyboard shortcut to save edited layers from the digitize toolbar in QGIS? Because JavaScript is case sensitive, letters include the characters A through Z (uppercase) as well as a through z (lowercase). http://www.theukwebdesigncompany.com/articles/entity-escape-characters.php, Going from engineer to entrepreneur takes more than just good code (Ep. What characters must be escaped in HTML 5? In the above examples, note that the message should be defined in an i18n file. URIs that differ only by whether an unreserved character is percent-encoded or appears literally are equivalent by definition, but URI processors, in practice, may not always recognize this equivalence. SQL Server Escaping We have not implemented the SQL Server escaping routine yet, but the following has good pointers and links to articles describing how to prevent SQL injection attacks on SQL server, see here. (For a non-ASCII character, it is typically converted to its byte sequence in UTF-8, and then each byte value is represented as above.). I've found some huge lists of HTML escape characters but I don't think they must be escaped. Position where neither player can force an *exact* outcome. These only work if you do full parsing, or {{-transformation, for the messages. MediaWiki supports plurals, which makes for a nicer-looking product. Therefore you can't place them directly inside URLs without encoding or escaping. Something like this: Thanks for contributing an answer to Stack Overflow! control hardware devices. a to z lowercase. * +. A string is a sequence of characters. For example, abc's test#s should output as abcs tests. The exact answer depends on the context. You may need to use a different syntax if you want to display them. This determination is dependent upon the rules established for reserved characters by individual URI schemes. To do this simply create a element in the DOM tree and set the innerText of the element to your string. numParams() must be used if the message uses {{PLURAL:}}. The following code shows tokenizing C#. We don't resort to ugly constructs like "$1 (sub)page(s) of his/her userpage", because these are poor for users and we can do better. Does Python have a function that I can use to escape special characters in a string? In JavaScript you can use the encodeURIComponent() function. Why does sending via a UdpClient cause subsequent receiving to fail? when passing JSON data as messages, or when the message will be used as preloaded text of a page), use: If you don't specify the output format, mw.message just returns a Message object. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Note, however, that to A character is a type that holds an UTF-16[^] encoded value. Some motivation to employ escaping: In string and character literals: One must be able to embed the terminators, like single or double quote. How do I add a