diff --git a/app/models/ad_image.rb b/app/models/ad_image.rb
index aad34852..4d5227c9 100644
--- a/app/models/ad_image.rb
+++ b/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) 
diff --git a/app/models/link.rb b/app/models/link.rb
index ccd79c89..d3e1448c 100644
--- a/app/models/link.rb
+++ b/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
 
diff --git a/vendor/built_in_modules/announcement/app/models/bulletin_link.rb b/vendor/built_in_modules/announcement/app/models/bulletin_link.rb
index 374ce5de..47635135 100644
--- a/vendor/built_in_modules/announcement/app/models/bulletin_link.rb
+++ b/vendor/built_in_modules/announcement/app/models/bulletin_link.rb
@@ -12,7 +12,7 @@ class BulletinLink
   belongs_to :bulletin
 
   before_validation :add_http
-  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
 
   protected
 
diff --git a/vendor/built_in_modules/personal_book/app/models/writing_book.rb b/vendor/built_in_modules/personal_book/app/models/writing_book.rb
index bc5fbdb3..432711da 100644
--- a/vendor/built_in_modules/personal_book/app/models/writing_book.rb
+++ b/vendor/built_in_modules/personal_book/app/models/writing_book.rb
@@ -51,7 +51,7 @@ class WritingBook
   
   after_save :save_writing_book_files
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb b/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb
index d10a8afe..559bc351 100644
--- a/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb
+++ b/vendor/built_in_modules/personal_conference/app/models/writing_conference.rb
@@ -50,7 +50,7 @@ class WritingConference
   
   after_save :save_writing_conference_files
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/personal_diploma/app/models/diploma.rb b/vendor/built_in_modules/personal_diploma/app/models/diploma.rb
index bdbab61e..563cf62c 100644
--- a/vendor/built_in_modules/personal_diploma/app/models/diploma.rb
+++ b/vendor/built_in_modules/personal_diploma/app/models/diploma.rb
@@ -38,7 +38,7 @@ class Diploma
 
   before_validation :add_http
     
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
 
   def self.widget_datas
diff --git a/vendor/built_in_modules/personal_experience/app/models/experience.rb b/vendor/built_in_modules/personal_experience/app/models/experience.rb
index 0f5f48f6..d8e95dd0 100644
--- a/vendor/built_in_modules/personal_experience/app/models/experience.rb
+++ b/vendor/built_in_modules/personal_experience/app/models/experience.rb
@@ -38,7 +38,7 @@ class Experience
 
   before_validation :add_http
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/personal_honor/app/models/honor.rb b/vendor/built_in_modules/personal_honor/app/models/honor.rb
index a0954ac6..7e5f2f1f 100644
--- a/vendor/built_in_modules/personal_honor/app/models/honor.rb
+++ b/vendor/built_in_modules/personal_honor/app/models/honor.rb
@@ -35,7 +35,7 @@ class Honor
 
   before_validation :add_http
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/personal_journal/app/models/writing_journal.rb b/vendor/built_in_modules/personal_journal/app/models/writing_journal.rb
index f9127758..64f123f0 100644
--- a/vendor/built_in_modules/personal_journal/app/models/writing_journal.rb
+++ b/vendor/built_in_modules/personal_journal/app/models/writing_journal.rb
@@ -37,7 +37,7 @@ class WritingJournal
   before_validation :add_http
   before_save :save_co_author
   validates :paper_title, :at_least_one => true
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def save_co_author
     authors_list = authors.split(",").map{|n| n.strip.gsub(/\s+/," ")}.reject{|n| n.empty? }
diff --git a/vendor/built_in_modules/personal_lab/app/models/lab.rb b/vendor/built_in_modules/personal_lab/app/models/lab.rb
index 4ff508d8..539a2575 100644
--- a/vendor/built_in_modules/personal_lab/app/models/lab.rb
+++ b/vendor/built_in_modules/personal_lab/app/models/lab.rb
@@ -44,7 +44,7 @@ class Lab
   
   after_save :save_lab_files
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/personal_patent/app/models/writing_patent.rb b/vendor/built_in_modules/personal_patent/app/models/writing_patent.rb
index 146320a5..632e765c 100644
--- a/vendor/built_in_modules/personal_patent/app/models/writing_patent.rb
+++ b/vendor/built_in_modules/personal_patent/app/models/writing_patent.rb
@@ -44,7 +44,7 @@ class WritingPatent
   
   after_save :save_writing_patent_files
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/personal_project/app/models/project.rb b/vendor/built_in_modules/personal_project/app/models/project.rb
index 339a1bd5..32a4fbdc 100644
--- a/vendor/built_in_modules/personal_project/app/models/project.rb
+++ b/vendor/built_in_modules/personal_project/app/models/project.rb
@@ -46,7 +46,7 @@ class Project
   
   after_save :save_project_files
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/personal_research/app/models/research.rb b/vendor/built_in_modules/personal_research/app/models/research.rb
index 968dc151..14080e12 100644
--- a/vendor/built_in_modules/personal_research/app/models/research.rb
+++ b/vendor/built_in_modules/personal_research/app/models/research.rb
@@ -41,7 +41,7 @@ class Research
   
   after_save :save_research_files
   
-  validates :url, :format => /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix, :unless => Proc.new{self.url.blank?}
+  validates :url, :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, :unless => Proc.new{self.url.blank?}
 
   def self.search( category_id = nil )
   
diff --git a/vendor/built_in_modules/web_resource/app/models/web_link.rb b/vendor/built_in_modules/web_resource/app/models/web_link.rb
index e2eea02b..68b94cff 100644
--- a/vendor/built_in_modules/web_resource/app/models/web_link.rb
+++ b/vendor/built_in_modules/web_resource/app/models/web_link.rb
@@ -27,7 +27,7 @@ class WebLink
   validates :title, :at_least_one => true
 
   before_validation :add_http
-  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
 
   def self.search( category_id = nil )