Wildcard search is a much discussed topic in SharePoint Land and generally I reuse my custom XML Web Part to solve the issue; build the query, issue the query, read the result XML and transform using XSL.
Downside to this solution is the lack of paging and other functionality (Search Alerts, RSS Feed, Statistics, Paging, …) you get with the out of the box Search Web Parts in Microsoft Office SharePoint Server 2007 or Microsoft Search Server 2008.
So I decided to deep dive into the SearchHiddenResultObject using Reflection and whipped up my own Wildcard Core Results Web Part. Downside with any wildcard search implementation is that you lose some functionalities.
When I was ready to blog my findings I discovered Corey Roth had blogged this already along with his WildcardSearch on Codeplex project. A shame but having discovered his truly excellent blog eased the pain ;)
Anyway here’s the download for mine:
STSADM -o addsolution -filename VNTG.WildcardSearch.wsp
STSADM -o deploysolution -name VNTG.WildcardSearch.wsp -allowgacdeployment -immediate -allcontenturls
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Visual Studio 2008 + WSPBuilderExtensions project