http://snippets.dzone.com/posts Sun, 27 Jul 2008 02:52:43 GMT DZone Snippets: validation code http://snippets.dzone.com/posts/show/4532 No regexes, allows URLs with ports or IPs. Inspiration from <a href="http://actsasblog.wordpress.com/2006/10/16/url-validation-in-rubyrails/">here</a> <br /> <br /><code> <br /> validates_each :href, :on => :create do |record, attr, value| <br /> begin <br /> uri = URI.parse(value) <br /> if uri.class != URI::HTTP <br /> record.errors.add(attr, 'Only HTTP protocol addresses can be used') <br /> end <br /> rescue URI::InvalidURIError <br /> record.errors.add(attr, 'The format of the url is not valid.') <br /> end <br /> end <br /></code> Wed, 12 Sep 2007 14:03:00 GMT http://snippets.dzone.com/posts/show/4532 jnewland (Jesse Newland)