========================
Regular Expression Is In
========================

.. default-domain:: bash

.. file:: reisin

:Arguments: * ``$1`` - Regex to search for
            * [``$2``...] - Values of array to search over
:Output: Exit code is ``0`` for found, ``1`` for not found

Bash CLI version of :func:`reisin`

.. seealso::
  :func:`reisin`

.. function:: reisin

:Arguments: * ``$1`` - Regex to search for
            * [``$2``...] - Values of array to search over
:Output: Returns ``0`` for found, ``1`` for not found

Checks if any string in the array matches a regex

.. rubric:: Example

.. code-block:: bash

  reisin '[35]' 11 22 33 44
  # $? is 0
  reisin '^.*1.*$' 20 20 20
  # $? is 1