====== contains ======
  
The **contains()** function checks whether the second text is inside the first text. If this is the case, the logical (boolean) value true is returned, otherwise false.

{{:images:sign_warning.png?nolink|}}**Note:** If one parameter is empty or null, e.g. an X-path expression is not set, then it is interpreted as an empty text.

==== Syntax: ====

<code>contains('Text', 'Search Text')</code>

==== Example: ====

<code>contains(@SupplierGLN, '2')</code>
<code>contains('This is a', 'is') -> true</code>
<code>contains('This is a', 'one') -> false</code>
<code>contains('This is a', '') -> true</code>
<code>contains('', 'test') -> false</code>