in reply to
Identifying Files with Similar Names
There are a lot of other algorithms to check for similarity which might help you, e.g the Levenshtein-distance.
A related implementation on CPAN is Text::Levenshtein.
A foolish day
Just another day
Internet cleaning day
The real first day of Spring
The real first day of Autumn
Wait a second, ... is this poll a joke?
Results (475 votes),