[%CFEngine_function_prototype(regex, string, backref)%]

Description: Returns whether the [anchored][anchored] regex matches the string, and fills the array backref with back-references.

If there are any back reference matches from the regular expression, then the array will be populated with the values, in the manner:

$(backref[0]) = entire string $(backref[1]) = back reference 1, etc

[%CFEngine_function_attributes(regex, string, backref)%]

Example:

[%CFEngine_include_snippet(regextract.cf, #+begin_src cfengine3, .*end_src)%]

Output:

[%CFEngine_include_snippet(regextract.cf, #+begin_src\s+example_output\s, .end_src)%]