.. _containsonly:

============
ContainsOnly
============

Checks if a field contains only the configured characters.

..  code-block:: typoscript

    Example Code:

    validators {
      DefaultValidator {
        model = DefaultValidator
        config {
          fields {
            password.errorChecks {
              containsOnly {
                model = ContainsOnly
                characters = a,b,c,d,e,f,g,h,i,j,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,1,2,3,4,5,6,7,8,9,0
              }
            }
          }
        }
      }
    }

**Properties**

.. list-table::
   :align: left
   :width: 100%
   :widths: 20 80
   :header-rows: 0
   :stub-columns: 0

   * - **characters**
     - Comma separated list of characters of which can be present the value of a given field
   * -
     -
   * - *Mandatory*
     - False
   * - *Data Type*
     - String
   * - *Default*
     - Empty String

.. toctree::
   :maxdepth: 2
   :hidden: