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Added cyrillic support to tokenizer #7

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Added cyrillic support to tokenizer #7

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0df179d
added cyrillic tokenizer
alexfilatov May 3, 2017
b798785
added tests
alexfilatov May 3, 2017
3da3cc8
actually joined cyrillic with main tokenizer
alexfilatov May 3, 2017
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25 changes: 24 additions & 1 deletion lib/simple_bayes/tokenizer.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -24,14 +24,37 @@ defmodule SimpleBayes.Tokenizer do

iex> SimpleBayes.Tokenizer.tokenize(~s(fo-o's ba_r"ed.))
~w(fo-o's ba_r"ed)

iex> SimpleBayes.Tokenizer.tokenize("шевченко")
["шевченко"]

iex> SimpleBayes.Tokenizer.tokenize("слава Україні")
["слава", "україні"]

iex> SimpleBayes.Tokenizer.tokenize(",воля або смерть .")
["воля", "або", "смерть"]

iex> SimpleBayes.Tokenizer.tokenize("Крим це Україна")
["крим", "це", "україна"]

iex> SimpleBayes.Tokenizer.tokenize("співуча, солов'їна")
["співуча", "солов'їна"]

iex> SimpleBayes.Tokenizer.tokenize("паляниця запашна.")
["паляниця", "запашна"]

iex> SimpleBayes.Tokenizer.tokenize(~s(де-не-де будь ласка "світлина". незабаром! Київ - моє місто))
["де-не-де", "будь", "ласка", "\\"світлина\\"", "незабаром", "київ", "-", "моє", "місто"]

"""
def tokenize(string) do
string
|> String.downcase()
|> String.replace(~r/[^0-9a-zA-Z _\-'"]+/, "")
|> String.replace(~r/[^0-9a-zа-яґієї _\-'"]+/iu, "")
|> String.split()
end


@doc """
Filters out a list based on another list.

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