3 # Please note: This function is an implementation of a Ruby class and as such may not be entirely UTF8 compatible. To ensure compatibility please use this function with Ruby 2.4.0 or greater - https://bugs.ruby-lang.org/issues/10085.
6 module Puppet::Parser::Functions
7 newfunction(:delete_regex, :type => :rvalue, :doc => <<-EOS
8 deletes all instances of a given element that match a regular expression
9 from an array or key from a hash. Multiple regular expressions are assumed
10 to be matched as an OR.
14 delete_regex(['a','b','c','b'], 'b')
15 Would return: ['a','c']
17 delete_regex(['a','b','c','b'], ['b', 'c'])
20 delete_regex({'a'=>1,'b'=>2,'c'=>3}, 'b')
21 Would return: {'a'=>1,'c'=>3}
23 delete_regex({'a'=>1,'b'=>2,'c'=>3}, '^a$')
24 Would return: {'b'=>2,'c'=>3}
29 raise(Puppet::ParseError, "delete_regex(): Wrong number of arguments given #{arguments.size} for 2") unless arguments.size == 2
31 collection = arguments[0].dup
32 Array(arguments[1]).each do |item|
34 when Array, Hash, String
35 collection.reject! { |coll_item| (coll_item =~ %r{\b#{item}\b}) }
37 raise(TypeError, "delete_regex(): First argument must be an Array, Hash, or String. Given an argument of class #{collection.class}.")
44 # vim: set ts=2 sw=2 et :