contains Function

first argument– list or string

second argument– any object to search for in the list or a substring to search for in the string

This function returns:

1 -- list contains a given value or the string contains the given substring

Example 1

The following expression returns 1.

<contains>
   <list>
      <s>apples</s>
      <s>oranges</s>
   </list>
   <s>apples</s>
</contains>

Example 2

The following expression returns 1

<contains>
   <s>foobar</s>
   <s>foo</s>
</contains>