.. highlightlang:: us

.. _mem_len:

mem_len
=======

.. index:: mem_len

.. us.tag  mem_len ENGLISH mem New420 Changed500

:ref:`mem_len` returns the length in bytes of a scalar string or a matrix of strings.

.. function::  rmBytes = mem_len(smString)

.. us.return

**Return Value**

*rmBytes* is the number of bytes.

.. us.params

**Parameters**

.. uparam:: smString

   *smString* is a string matrix.

.. us.example

**Example**

::

   * strlen("Hello\x00Hello")
      5.0000
   * mem_len("Hello\x00Hello")
     22.0000

.. us.history

**History**

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

   * - Version
     - Description
   * - 4.2.0
     - New.

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

:sub:`id-353731`