[docs] Regex documentation bug

[Georg Brandl]

Hi Neta,

the indices returned from regex matches follow the same convention as slice
indices, in that the end index is exclusive: a slice from index 0 to index 11
has 11 items.

cheers,
Georg

On 05/19/2016 10:35 AM, Neta Oren wrote:
> Hi,
> I was reading your documentation page about regex, and noticed you had a mistake.
> The specific page is 'Regular Expression HOWTO -- Python 2.7.11 documentation'.
> It is located in the address: 
> https://docs.python.org/2/howto/regex.html
> The mistake is at the 'Performing Matches' section. 
> The mistake is:
> You wrote that the start() and end() methods will retnot end the starting and
> ending indices of the match. However in the example you provided the end index
> is in fact the length of the match, and not the ending index (that would be
> length - 1). 
> If the index starts at 0 and ends at 11 then that means there are 12 characters,
> however in your examples it was not as such.
> This can create array out of bounds exceptions and other exceptions as well.
> This error is repeated in this section several times.
> For your attention,
> Neta
> 
> 
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