.. _functx_is-absolute-uri:

======================
functx:is-absolute-uri
====================== 

Whether a URI is absolute

Description
~~~~~~~~~~~
The functx:is-absolute-uri function returns true if URI is absolute, meaning 
that it starts with a scheme name such as http or ftp. It returns false if it is 
a relative URI.

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   * - **Parameters**
     - **Description**
   * - uri:string()
     - the URI to test

Examples
~~~~~~~~
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   * - **XPath**
     - **Results**
   * - functx:is-absolute-uri('http://www.datypic.com')
     - true
   * - functx:is-absolute-uri('ftp://ftp.datypic.com')
     - true
   * - functx:is-absolute-uri('ftp.datypic.com')
     - false
   * - functx:is-absolute-uri('www.datypic.com')
     - false
   * - functx:is-absolute-uri('prod.html')
     - false

See Also
~~~~~~~~

.. toctree::
   :titlesonly:
   :glob:

* :ref:`resolve-uri`.
* :ref:`base-uri`.
* :ref:`functx_scheme-from-uri`.