40 lines
1.4 KiB
Python
40 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
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import re
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def check_word(word):
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ALL_ALPHANUM = re.compile('([0-9ёйцукенгшщзхъфывапролджэячсмитьбю])', re.I)
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NON_ALPHANUM = re.compile('([^0-9ёйцукенгшщзхъфывапролджэячсмитьбю])', re.I)
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TOO_MANY_VOWELS = re.compile('[ёуеыаоэяию]{3}', re.I)
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TOO_MANY_CONSONANTS = re.compile('[йцкнгшщзхъфвпрлджчсмтьб{5}', re.I)
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ALL_ALPHA = re.compile('^[ёйцукенгшщзхъфывапролджэячсмитьбю]+$', re.I)
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SINGLE_LETTER_WORDS = re.compile('^[уквояси]$', re.I)
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#(L) If a string is longer than 25 characters, it is garbage
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if len(word) > 25:
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return None
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#(A) If a string's ratio of alphanumeric characters to total
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#characters is less than 50%, the string is garbage
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if len(ALL_ALPHANUM.findall(word)) < len(word) / 2:
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return None
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#Remove word if all the letters in the word are non alphanumeric
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if len(NON_ALPHANUM.findall(word)) == len(word):
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return None
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#Removed words with too many consecutie vowels
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if TOO_MANY_VOWELS.findall(word):
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return None
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#Removed words with too many consecutie consonants
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if TOO_MANY_CONSONANTS.findall(word):
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return None
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#Only allow specific single letter words
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if len(word) == 1 and not SINGLE_LETTER_WORDS.findall(word):
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return None
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return word
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