Change validation for url: can include IPs

app/models/ad_image.rb

@@ -23,7 +23,7 @@ class AdImage
   belongs_to :ad_banner
 
   before_validation :add_http
-  validates :out_link, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :allow_blank => true
+  validates :out_link, :format => /^(http|https):\/\/(([a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5})|((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))(:[0-9]{1,5})?(\/.*)?/i, :allow_blank => true
 
   def display?
     if (self.post_date <= Date.today && (self.unpost_date.nil? || self.unpost_date>= Date.today) rescue false) 

app/models/link.rb

@@ -2,7 +2,7 @@ class Link < Item
   
   field :url
   
-  validates :url, :presence => true, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix
+  validates :url, :presence => true, :format => /^(http|https):\/\/(([a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5})|((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?))(:[0-9]{1,5})?(\/.*)?/i
 
 	before_validation :add_http