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N-gram is a contiguous sequence of n items from a given sequence of text or speech. The items are letters, but can be phonemes, syllables, words or base pairs according to the application. The n-grams typically are collected from a text or speech corpus.


Add this line to your application's Gemfile:

gem 'ngrams_parser'

And then execute:

$ bundle

Or install it yourself as:

$ gem install ngrams_parser


# splits single word into ngrams
NgramsParser::ngram(word, size)

# splits given text into ngrams
NgramsParser::ngrams(text, size)

You can use ngrams method into String class:

class String
  include NgramsParser::String


  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request