Is there a word for the URL schema/protocol taken together with the colon and two slashes, for example http://, mailto://, ftp://?
I thought to call it a prefix, yet Microsoft already has UrlPrefix. Probably copyrighted.
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It's the scheme. This information is available from e.g. https://en.wikipedia.org/wiki/Uniform_Resource_Identifier#Definition – jonrsharpe May 24 '19 at 18:43
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1according to wikipedia schema is just schema, e.g. http, emailto, – Serge May 24 '19 at 19:57
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Yes, is that not what you're asking? What's the point of this? – jonrsharpe May 24 '19 at 20:00
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Nope, the question is about http://, mailto://, ftp:// – Serge May 24 '19 at 20:01
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1I am correcting verbiage on a web page – Serge May 24 '19 at 20:03
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As you can see from the diagram `:` and `//` are delimiters, they don't have names AFAIK. – jonrsharpe May 24 '19 at 20:05
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RFC 1738 – Uniform Resource Locators (URL) – is surprisingly silent on that matter.
However, in the URI RFC3986, we find:
e.g., most registered names beginning with "www" are likely to have a URI prefix of "http://"
Via: RFC3986 Section 4.5 -- Uniform Resource Identifier (URI): Generic Syntax
Note that URIs are a superset of URLs and that for a URI, only a schema and path (which may be empty) is required.
See: Syntax Components
More on the difference between URL and URI:
miku
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