removing emojis from a string in Python

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On Python 2, you have to use u'' literal to create a Unicode string. Also, you should pass re.UNICODE flag and convert your input data to Unicode (e.g., text = data.decode('utf-8')):

#!/usr/bin/env python
import re

text = u'This dog \U0001f602'
print(text) # with emoji

emoji_pattern = re.compile("["
        u"\U0001F600-\U0001F64F"  # emoticons
        u"\U0001F300-\U0001F5FF"  # symbols & pictographs
        u"\U0001F680-\U0001F6FF"  # transport & map symbols
        u"\U0001F1E0-\U0001F1FF"  # flags (iOS)
                           "]+", flags=re.UNICODE)
print(emoji_pattern.sub(r'', text)) # no emoji

Output

This dog 😂
This dog

Note: emoji_pattern matches only some emoji (not all). See Which Characters are Emoji.

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