String::Diff and Text::Diff seem to come near to your need.

If not, you can either try to work with their source (in this case better: the source of Algorithm::Diff, or to tweak the output of e.g. String::Diff::diff_fully .

In reply to Re: How to campare two variable consist line and print difference by soonix
in thread How to campare two variable consist line and print difference by Mjpaddy

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