.. _lower-case:

==========
lower-case
========== 

Converts to lower case

Description
~~~~~~~~~~~
The fn:lower-case function converts a string to lower 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.

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   :header-rows: 1

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

Examples
~~~~~~~~
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   * - **XPath**
     - **Results**
   * - lower-case('QUERY')
     - query
   * - lower-case('Query')
     - query
   * - lower-case('QUERY123')
     - query123

See Also
~~~~~~~~

.. toctree::
   :titlesonly:
   :glob:

* :ref:`upper-case`.