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a library for doing approximate and phonetic matching of strings.

Project description

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Jellyfish is a python library for doing approximate and phonetic matching of strings.

Written by James Turk <james.p.turk@gmail.com> and Michael Stephens.

See https://github.com/jamesturk/jellyfish/graphs/contributors for contributors.

Source is available at http://github.com/jamesturk/jellyfish.

Included Algorithms

String comparison:

  • Levenshtein Distance

  • Damerau-Levenshtein Distance

  • Jaro Distance

  • Jaro-Winkler Distance

  • Match Rating Approach Comparison

  • Hamming Distance

Phonetic encoding:

  • American Soundex

  • Metaphone

  • NYSIIS (New York State Identification and Intelligence System)

  • Match Rating Codex

Example Usage

>>> import jellyfish
>>> jellyfish.levenshtein_distance('jellyfish', 'smellyfish')
2
>>> jellyfish.jaro_distance('jellyfish', 'smellyfish')
0.89629629629629637
>>> jellyfish.damerau_levenshtein_distance('jellyfish', 'jellyfihs')
1
>>> jellyfish.metaphone('Jellyfish')
'JLFX'
>>> jellyfish.soundex('Jellyfish')
'J412'
>>> jellyfish.nysiis('Jellyfish')
'JALYF'
>>> jellyfish.match_rating_codex('Jellyfish')
'JLLFSH'

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