Text::Cloze may provide a tool for you to use. There are also services out there that work in this problem space. Search for cloze plagiarism for some hits related to the process used by the previously mentioned module.

--MidLifeXis

In reply to Re: Is it possible to find the matching words and the percentage of matching words between two texts? by MidLifeXis
in thread Is it possible to find the matching words and the percentage of matching words between two texts? by supriyoch_2008

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