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Delete words less than 4 in length
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Delete words less than 4 in length
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This question already has an answer here:
- Remove small words using Python 2 answers
I am trying to remove words of length less than 4 from a string.
I use this regex:
re.sub(' \w{1,3} ', ' ', c)
Though this removes some strings but it fails when 2-3 words of length less than 4 appear together. Like:
I am in a bank.
It gives me:
I in bank.
How to resolve this?
Don't include the spaces; use \b word boundary anchors instead:
re.sub(r'\b\w{1,3}\b', '', c)
This removes words of up to 3 characters entirely:
>>> import re
>>> re.sub(r'\b\w{1,3}\b', '', 'The quick brown fox jumps over the lazy dog')
' quick brown jumps over lazy '
>>> re.sub(r'\b\w{1,3}\b', '', 'I am in a bank.')
' bank.'
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