Question

I have the following program:

class Matcher
  include Enumerable
  def initialize(string, match)
    @string = string
    @match = match
  end

  def each
    @string.scan(/[@#match]/) do |pattern|
      yield pattern
    end
  end
end

mch = Matcher.new("the quickbrown fox", "aeiou")
puts mch.inject {|x, n| x+n}

It is supposed to match the characters, aeiou with the string the quickbrown fox

No matter what I put as the pattern, it oddly prints out the characters: thc. What’s going on?

Answer 1

@string.scan(/[@#match]/) do |pattern| is incorrect. #{@match} is what you’re looking for.