How to Sanitize HTML and CSS in Ruby

Courtesy Ruby Inside  Thu, 01/01/2009 - 01:41

sanitize.png

If you've developed an application that displays user-supplied text in a Web browser, it's always possible that the user has entered some crazy HTML (or even CSS) that will break your site's layout.

While it's easy to remove all HTML from a piece of text, you might want them to use certain subsets of HTML to format their content, so you need to sanitize the user supplied HTML and CSS.

Luckily, two Ruby libraries have...

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