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I need a regex for three words, seperated by spaces. I tried this:
>>>match = re.search('\w\s\w\s\w', 'cat dog mouse')
>>>match.group()
....
AttributeError: 'NoneType' object has no attribute 'group'
Shouldn’t \w\s\w\s\w accept “word word word”?
No, it only accepts words which are one letter long. You are probably looking for
\w+, and quite possibly the whole regex should be^\s*\w+\s+\w+\s+\w+\s*$with or without the optional surrounding whitespace\s*.