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I'm calling a web service in this format:
http://some.server/rest/resource;a=b
It works but is this valid? I've seen the ; used as a replacement for the & but never seen such an url. I've been looking for an answer but did not find a valid one. If valid what is the meaning of this kind of url?
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According to the 2014 W3C Recommendation, semicolon is now illegal as a parameter separator in a http URI.
What Does a Question Mark in URL Do? URLs have query strings that specify parameters through a group of characters typed into a browser to retrieve information. A question mark is not a part of the query string, but it's used to establish boundaries and is considered a separator.
The question mark is used as a separator, and is not part of the query string. The exact structure of the query string is not standardized. Methods used to parse the query string may differ between websites. A link in a web page may have a URL that contains a query string.
Save this question.
This is a part of the path parameters and not part of the query parameters. You can find detailed information on how URLs can be built at http://www.skorks.com/2010/05/what-every-developer-should-know-about-urls/
Edit: I was actually looking for this link earlier which explains it even better and shows you some weird but valid cases: https://www.talisman.org/~erlkonig/misc/lunatech%5Ewhat-every-webdev-must-know-about-url-encoding/ (originally at the now dead url http://blog.lunatech.com/2009/02/03/what-every-web-developer-must-know-about-url-encoding)
But anyway, this is valid: http://www.blah.com/some/crazy/path.html;param1=foo;param2=bar
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