>>> str=" gg" >>> x1=re.match("\s+",str) >>> x1 <_sre.SRE_Match object at 0xb7354db0> >>> x2=re.match("\s{6}",str) >>> x2 <_sre.SRE_Match object at 0xb7337f38> >>> x3=re.match("\s{6}+",str) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib/python2.6/re.py", line 137, in match return _compile(pattern, flags).match(string) File "/usr/lib/python2.6/re.py", line 245, in _compile raise error, v # invalid expression sre_constants.error: multiple repeat >>>
why the "\s{6}+" is not a regular pattern?
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