.. _upper-case:

==========
upper-case
========== 

Converts to upper case

Description
~~~~~~~~~~~
The fn:upper-case function converts a string to upper case. The mappings between 
lowercase and uppercase characters are determined by Unicode case mappings. If a 
character in $arg does not have a corresponding uppercase character, it is 
included in the result string unchanged.

.. list-table::
   :widths: 40 60
   :header-rows: 1

   * - **Parameters**
     - **Description**
   * - arg:string()
     - 

Examples
~~~~~~~~
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   :widths: 50 50
   :header-rows: 1

   * - **XPath**
     - **Results**
   * - upper-case('query')
     - QUERY
   * - upper-case('QUERY')
     - QUERY
   * - upper-case('Query')
     - QUERY
   * - upper-case('query-123')
     - QUERY-123

See Also
~~~~~~~~

.. toctree::
   :titlesonly:
   :glob:

* :ref:`functx_capitalize-first`.
* :ref:`functx_format-as-title-en`.
* :ref:`lower-case`.