rails-uri module provide us with url manipulation methods
Parse string url url = URI.parse('http://funonrails.com/search/label/rails3') url.host #=> "http://funonrails.com" url.port #=> 80
URL with Basic Authentication
url = URI.parse('http://sandip:2121@funonrails.com/search/label/rails3') url.user #=> "sandip" url.password #=> "2121"
Extracting urls form string paragraph
URI.extract('http://funonrails.com is rails blog authored by http://sandipransing.github.com contact mailto://sandip@funonrails.com') #=> ["http://funonrails.com", "http://sandipransing.github.com", "mailto://sandip@funonrails.com"] Split & Join URI
URI.split('http://sandip:2121@funonrails.com/search/label/rails3') #=> ["http", "sandip:2121", "funonrails.com", nil, nil, "/search/label/rails3", nil, nil, nil] <=> [Scheme, Userinfo, Host, Port, Registry, Path, Opaque, Query, Fragment] URI.join('http://funonrails.com','search/label/rails3') #=> #
Escape & Unescape alias encode/decode URI
URI.escape('http://funonrails.com/search/?label=\\rails\3') URI.encode('http://funonrails.com/search/?label=\\rails\3') #=> "http://funonrails.com/search/?label=%5Crails%5C3" URI.unescape("http://funonrails.com/search/?label=%5Crails%5C3") URI.decode("http://funonrails.com/search/?label=%5Crails%5C3") #=> "http://funonrails.com/search/?label=\\rails\\3"
Match urls using regular expressions
"http://funonrails.com/search/label/rails3".sub(URI.regexp(['search'])) do |*matchs| p $& end #=> "http://funonrails.com/search/label/rails3"
Getting requested url inside rails
request.request_uri request.env['REQUEST_URI']
Getting previous page url inside rails
request.referrer