.. highlightlang:: us

.. _mem_compare:

mem_compare
===========

.. index:: mem_compare

.. us.tag  mem_compare ENGLISH New420 mem

:ref:`mem_compare` compares two strings or string matrices which may contain 
0-characters.

.. function::  nRet = mem_compare(string1, string2)

.. us.return

**Return Value**

*nRet* is -1, if string1 < string2, 0 if string1 is equal to string2 and
1, if string1 > string2.If string1 and string2 are vectors or matrices *nRet* is a real vector or
read matrix.

.. us.params

**Parameters**

.. uparam:: string1

   *string1* is a scalar string or a string matrix.

.. uparam:: string2

   *string2* is a scalar string or a string matrix.

.. us.history

**History**

.. list-table::
   :header-rows: 1

   * - Version
     - Description
   * - 4.2.0
     - New

.. seealso::
   :ref:`overview-strings`,
   :ref:`mem_len`

:sub:`id-2054430`