Created
September 23, 2018 18:36
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REPLACE_BY_SPACE_RE = re.compile('[/(){}\[\]\|@,;]') | |
BAD_SYMBOLS_RE = re.compile('[^0-9a-z #+_]') | |
STOPWORDS = set(stopwords.words('english')) | |
def clean_text(text): | |
""" | |
text: a string | |
return: modified initial string | |
""" | |
text = BeautifulSoup(text, "lxml").text # HTML decoding | |
text = text.lower() # lowercase text | |
text = REPLACE_BY_SPACE_RE.sub(' ', text) # replace REPLACE_BY_SPACE_RE symbols by space in text | |
text = BAD_SYMBOLS_RE.sub('', text) # delete symbols which are in BAD_SYMBOLS_RE from text | |
text = ' '.join(word for word in text.split() if word not in STOPWORDS) # delete stopwors from text | |
return text | |
df['post'] = df['post'].apply(clean_text) | |
print_plot(10) |
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