does this work with office viewers installed?

Jul 8, 2015 at 6:05 PM
I am getting error...

SharepointRegexSearch.exe http://sta2dsp01:6854/sites/enterprise \d{3}-\d{2}-\d{4} FetchAndSearchFile: Could not load file or assembly 'Microsoft.Office.Interop.Excel, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.