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We've expanded our Perl news coverage and improved our search! Search for all things Perl across O'Reilly! Perl Resources | Topic: Text Tools String::Approx This Perl module implements approximate matching (aka fuzzy matching). Approximate is defined as n-differences. One difference is an insertion, a deletion, or a substitution of one character. n-differences is the maximum number of differences. For example 1-difference means that a match is found if there is one character too many (insertion) or one character missing (deletion) or one character changed (substitution).
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