1LevenshteinXS(3) User Contributed Perl Documentation LevenshteinXS(3)
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6 Text::LevenshteinXS - An XS implementation of the Levenshtein edit
7 distance
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10 use Text::LevenshteinXS qw(distance);
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12 print distance("foo","four");
13 # prints "2"
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15 print distance("foo","bar");
16 # prints "3"
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19 This module implements the Levenshtein edit distance in a XS way.
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21 The Levenshtein edit distance is a measure of the degree of proximity
22 between two strings. This distance is the number of substitutions,
23 deletions or insertions ("edits") needed to transform one string into
24 the other one (and vice versa). When two strings have distance 0, they
25 are the same. A good point to start is:
26 <http://www.merriampark.com/ld.htm>
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29 All the credits go to Vladimir Levenshtein the author of the algorithm
30 and to Lorenzo Seidenari who made the C implementation
31 <http://www.merriampark.com/ldc.htm>
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34 Text::Levenshtein , Text::WagnerFischer , Text::Brew , String::Approx
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37 Copyright 2003 Dree Mistrut <dree@friul.it> Modifications Copyright
38 2004 Josh Goldberg <josh@3io.com>
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40 This package is free software and is provided "as is" without express
41 or implied warranty. You can redistribute it and/or modify it under
42 the same terms as Perl itself.
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46perl v5.34.0 2021-07-23 LevenshteinXS(3)