select_and_cut_key.rb

hash = {
    :text_data => "data",
    :name => "name",
    :from_address_select => "name from address slect",
    :from_name => "name from name ",
    :from_line1 => "name from line 1 ",
    :from_line2 => "name from line 2",
    :from_city_name => "name city name " ,
    :from_state_name => "name from state name",
    :from_zip => "name from zip",
    :from_country => "name from country" ,
    :to_address_select => "name to address select",
    :to_name => "name to name n",
    :to_line1 => "name ine1 ",
    :to_line2 => "name line 2",
    :to_city_name => "name to city name",
    :to_state_name => "name to state name" ,
    :to_zip => "name to zip ",
    :to_country => "name to country"
}



the_array  = hash.select{|k,v| k.to_s.start_with?("from_")}.map{|k,v| [k.to_s.sub(/^from_/,""), v]}
the_hash = Hash[the_array]



binding.pry
puts