Url Encode Colon

https://stackoverflow.com/questions/2053132
I recently wrote a URL encoder so this is pretty fresh in my mind http site gwturl user 45 comments All the characters in the fragment part user 45 comments are perfectly legal for RFC 3986 URIs The relevant parts of the ABNF fragment pchar

https://stackoverflow.com/questions/13713671
Yes they should be encoded in a query string The correct encoding is 3A However I can understand why UriBuilder isn t encoding You don t want to encode the colon after the protocol eg http or between the username and password eg ftp username email protected in an absolute URI

https://www.tutorialspoint.com/html/html_url_encoding
Reserved characters These are special characters such as the dollar sign ampersand plus common forward slash colon semi colon equals sign question mark and at symbol All of these can have different meanings inside a URL so need to be encoded A complete encoding table is given below

https://stackoverflow.com/questions/1737575
Are colons allowed in URLs Yes unless it s in the first path segment of a relative path reference So for example you can have a URL like this https en wikipedia wiki Template Welcome And you can use it normally as an absolute URL or some relative variants

https://security.stackexchange.com/questions/...
In HTTP S URLs the in its direct form has these purposes In the path the query and the fragment the can be used to represent data So there is no technical difference between a path like hello and a path like hello In your example it s percent encoded as 3A

https://developer.mozilla.org/.../encodeURI
Syntax js encodeURI uri Parameters uri A string to be encoded as a URI Return value A new string representing the provided string encoded as a URI Exceptions URIError Thrown if uri contains a lone surrogate Description encodeURI is a function property of the global object

https://www.w3.org/Addressing/URL/4_URI_Recommentations.html
Within the URI of a object the first element is the name of the scheme separated from the rest of the object by a colon Path The rest of the URI follows the colon in a format depending on the scheme The path is interpreted in a

https://developer.mozilla.org/.../encodeURIComponent
The encodeURIComponent function encodes a URI by replacing each instance of certain characters by one two three or four escape sequences representing the UTF 8 encoding of the character will only be four escape sequences for characters composed of two surrogate characters

https://www.rfc-editor.org/rfc/rfc3986
A Uniform Resource Identifier URI is a compact sequence of characters that identifies an abstract or physical resource This specification defines the generic URI syntax and a process for resolving URI references that might be in relative form along with guidelines and security considerations for the use of URIs on the Internet