fix the regexp used to valide user's website

app/models/user_profile.rb

@@ -4,7 +4,7 @@ class UserProfile < ActiveRecord::Base
   # This is not very picky about most DNS labels (the bits between the
   # periods), but isn't taking much guff from the TLD. No leading
   # digit, and no hyphens unless IDN.
-  WEBSITE_REGEXP = /(^$)|((^(http|https):\/\/)?([a-z0-9][a-z0-9-]*\.)+([a-z][a-z0-9]+|xn--[a-z0-9-]+)(\/.*)?$)/ix
+  WEBSITE_REGEXP = /(^$)|(^(https?:\/\/)?([a-z0-9][a-z0-9-]*\.)+([a-z][a-z0-9]+|xn--[a-z0-9-]+)(\/.*)?$)/i
 
   validates :bio_raw, length: { maximum: 3000 }
   validates :website, format: { with: WEBSITE_REGEXP }, allow_blank: true, if: Proc.new { |c| c.new_record? || c.website_changed? }

spec/models/user_profile_spec.rb

@@ -59,6 +59,7 @@ describe UserProfile do
 
       it "ensures website is valid" do
         expect(Fabricate.build(:user_profile, user: user, website: "http://https://google.com")).not_to be_valid
+        expect(Fabricate.build(:user_profile, user: user, website: "http://discourse.productions")).to be_valid
         expect(Fabricate.build(:user_profile, user: user, website: "https://google.com")).to be_valid
       end