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URL encoding, officially known as percent-encoding, is a method to encode arbitrary data in a uniform resource identifier (URI) using only the US-ASCII characters legal within a URI. Although it is known as URL encoding , it is also used more generally within the main Uniform Resource Identifier (URI) set, which includes both Uniform Resource ...
URLs containing certain characters will display and link incorrectly unless those characters are percent-encoded. For example, a space must be replaced by %20 (this can be done using the PATH option of the {{urlencode:}} parser function).
For example, a space must be replaced by %20. To encode the URL, replace the following characters with: To encode the URL, replace the following characters with: Character
The URI generic syntax uses URL encoding to deal with this problem, while HTML forms make some additional substitutions rather than applying percent encoding for all such characters. SPACE is encoded as '+' or "%20". [11] HTML 5 specifies the following transformation for submitting HTML forms with the "GET" method to a web server. The following ...
Other octets must be percent-encoded. If the data is Base64-encoded, then the data part may contain only valid Base64 characters. [ 7 ] Note that Base64-encoded data: URIs use the standard Base64 character set (with ' + ' and ' / ' as characters 62 and 63) rather than the so-called " URL-safe Base64 " character set.
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
Double URI-encoding, also referred to as double percent-encoding, is a special type of double encoding in which data is URI-encoded twice in a row. [6] In other words, double-URI-encoded form of data X is URI-encode(URI-encode(X)). [7]
For example, a space must be replaced by %20. Encoding can be achieved by: Encoding can be achieved by: Use the link button on the enhanced editing toolbar to encode the link; this tool will add the bracket markup and the linked text, which may not always be desirable.