Re: + in regular expression

[Mark Lawrence]

On 04/10/2012 04:01, contro opinion wrote:

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?

Why are you too lazy to do any research before posting a question?

--
Cheers.

Mark Lawrence.

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