Why is this erb code throwing "Undefined method 'match' for []:Array"? - regex

Question

Hope someone can help me resolve this problem.
I have an instance variable holding some string values in a params. Here are the string values:
"The Hoboken Four" "Anita Baker" "No One Cares" "Giant" "Taking A Chance On Love" "[]" "["quiz"]" "quiz"
I would like to display only the values that match:
"The Hoboken Four" "Anita Baker" "No One Cares" "Giant" "Taking A Chance On Love"
Here is the code in my app.rb:
post '/:form_type' do
#array = []
#results = params
#results.each do |key, value|
if value.match(/\w[^["quiz"]]/)
#array << value
end
#array
end
erb :results
end
Here is the code I have in my view:
<% #array.each do |item| %>
<p><%= item %></p>
<% end %>
Thank you for helping!

Answer 1

Just for the record, what I think happened is that OP was using [] in the parameters name, most likely to send all the values under a unique name. For instance if the HTML form looks like that:
<input type="text" name="title[]"/>
<input type="text" name="title[]"/>
and the user inputs First and Second, Sinatra is going to interpret the [] in the parameter name and aggregate the different values in a table:
{"title"=>["First", "Second"]}
So in OP's code, value.match was throwing because value was of type Array (as the error message states).