As with many of your questions, this question isn't in any way Fiddler-specific. There are many libraries in .NET that allow you to parse HTML, including some that are a part of the .NET Framework as well as many 3rd party HTML parsers. https://www.google.com/?gws_rd=ssl#q=.NET+Parse+HTML
(Your regular expression matches more than you want because you use .* which will include the > character that ended the prior tag. You need to use something like [^>]* instead.)
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