[%CFEngine_function_prototype(regex, list)%]
Description: Returns the sub-list if items in list matching the
[anchored][anchored] regular expression regex.
list can be a data container or a regular list.
[%CFEngine_function_attributes(regex, list)%]
Example:
[%CFEngine_include_snippet(grep.cf, #+begin_src cfengine3, .*end_src)%]
Output:
[%CFEngine_include_snippet(grep.cf, #+begin_src\s+example_output\s, .end_src)%]