Text::Levenshtein::Damerau::PP - Pure Perl Damerau Levenshtein edit distance.
Contents
Bugs
Please report bugs to:
<https://rt.cpan.org/Public/Dist/Display.html?Name=Text-Levenshtein-Damerau>
Description
Returns the true Damerau Levenshtein edit distance of strings with adjacent transpositions. Pure Perl
implementation. Works correctly with utf8.
use Text::Levenshtein::Damerau::PP qw/pp_edistance/;
use utf8;
pp_edistance('ⓕⓞⓤⓡ','ⓕⓤⓞⓡ'),
# prints 1
License And Copyright
This library is free software; you can redistribute it and/or modify it under the same terms as Perl
itself.
perl v5.36.0 2022-10-13 Text::Levenshtein::Damerau::PP(3pm)
Methods
pp_edistance
Arguments: source string and target string.
• OPTIONAL3rdargument int (max distance; only return results with $int distance or less). 0 =
unlimited. Default = 0.
Returns: int that represents the edit distance between the two argument. Stops calculations and returns
-1 if max distance is set and reached.
Function to take the edit distance between a source and target string. Contains the actual algorithm
implementation.
use Text::Levenshtein::Damerau::PP qw/pp_edistance/;
print pp_edistance('Neil','Niel');
# prints 1
print pp_edistance('Neil','Nielx',1);
# prints -1
Name
Text::Levenshtein::Damerau::PP - Pure Perl Damerau Levenshtein edit distance.
See Also
• Text::Levenshtein::Damerau
• Text::Levenshtein::Damerau::XS
Synopsis
use Text::Levenshtein::Damerau::PP qw/pp_edistance/;
print pp_edistance('Neil','Niel');
# prints 1
