- validates_format_of :url, :with => /\Ahttp(s?):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/i
- validates_format_of :support_url, :with => /\Ahttp(s?):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/i, :allow_blank => true
- validates_format_of :callback_url, :with => /\A[a-z][a-z0-9.+-]*:\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/i, :allow_blank => true
+ validates_format_of :url, :with => %r{\Ahttp(s?)://(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(/|/([\w#!:.?+=&%@!\-/]))?}i
+ validates_format_of :support_url, :with => %r{\Ahttp(s?)://(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(/|/([\w#!:.?+=&%@!\-/]))?}i, :allow_blank => true
+ validates_format_of :callback_url, :with => %r{\A[a-z][a-z0-9.+-]*://(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(/|/([\w#!:.?+=&%@!\-/]))?}i, :allow_blank => true