Splitting text at whitespace but keeping the whitespace in the returned list
python at mrabarnett.plus.com
Sun Jan 24 18:24:40 CET 2010
python at bdurham.com wrote:
> I need to parse some ASCII text into 'word' sized chunks of text AND
> collect the whitespace that seperates the split items. By 'word' I mean
> any string of characters seperated by whitespace (newlines, carriage
> returns, tabs, spaces, soft-spaces, etc). This means that my split text
> can contain punctuation and numbers - just not whitespace.
> The split( None ) method works fine for returning the word sized chunks
> of text, but destroys the whitespace separators that I need.
> Is there a variation of split() that returns delimiters as well as tokens?
I'd use the re module:
>>> import re
>>> re.split(r'(\s+)', "Hello world!")
['Hello', ' ', 'world!']
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