Anyone know a good regex to remove extra whitespace? [duplicate]

Question

Possible Duplicate:
Substitute multiple whitespace with single whitespace in Python

trying to figure out how to write a regex that given the string:

"hi     this       is a  test"

I can turn it into

"hi this is a test"

where the whitespace is normalized to just one space

any ideas? thanks so much

Answer 1

import re    
re.sub("\s+"," ",string)