vb.net - For each using linq how to use else -


i have code checking specific files , if condition fulfilled going in stats.matching.... using each linq:

  each file string in file1 in stats.foundfiles                               let ftpfile = utils.tolowerwithoutspaces(file1)                               ftpfile.contains(currentreportname)                               select file1       stats.matchingfiles.add(file)   next

the question how implement else here.

so want fill collection files don't contain word.

dim matching = file1 in stats.foundfiles                 let ftpfile = utils.tolowerwithoutspaces(file1)                 ftpfile.contains(currentreportname) dim mismatching = file1 in stats.foundfiles                    let ftpfile = utils.tolowerwithoutspaces(file1)                    not ftpfile.contains(currentreportname)  each file string in matching      stats.matchingfiles.add(file) next each file string in mismatching      stats.mismatchingfiles.add(file) next

that simple solution, use except more efficient:

dim mismatching = stats.foundfiles.except(matching)

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