This post originated from an RSS feed registered with .NET Buzz by Eric Gunnerson. Original Post: Regex puzzle Feed Title: Eric Gunnerson's C# Compendium Feed URL: /msdnerror.htm?aspxerrorpath=/ericgu/Rss.aspx Feed Description: Eric comments on C#, programming and dotnet in general, and the aerodynamic characteristics of the red-nosed flying squirrel of the Lesser Antilles Latest .NET Buzz Posts Latest .NET Buzz Posts by Eric Gunnerson Latest Posts From Eric Gunnerson's C# Compendium

I was reading our newsgroups, and I came across a post where the user wanted to filter out all tags from html text except for <br>, </br>, <p>, and </p>.

What is the shortest .net regex to do that?