Are you tying to clean up your old FrontPage site and move to Expression Web? Maybe you have been using Search and Replace to try and make this job easier. Have you tried EW queries? One of the newest members of the Expression Web team, Pad Gallagher, has posted on the Xweb blog, about cleaning messy code with Expression Web Queries.
If you are interested in learning more about Cleaning Messy Code and getting your site standards compliant, Tina Clarke and I will be teaching this in Migrating from FrontPage to Expression Web Class and Ebook which begins on August 30th.