Felipe is right. Perhaps you wanted a the RE:
>> natural = "0"|[1-9][0-9]*;
>> [-+]?natural ("." [0-9]+)? ([Ee] [+-]?[0-9]+)?
On Aug 6, 2011, at 6:55 AM, Felipe Pena <felipe...@gmail.com> wrote:
> Hi,
>
> 2011/8/6 Rui Maciel <rui.mac...@gmail.com>:
>> Let's consider the following regex pattern:
>>
>> natural = "0"|[1-9][0-9]*;
>> [-+]?natural "." [0-9]+ ([Ee] [+-]?[0-9]+)? { return
>> TT_FLOAT_NUMBER; }
>> [^] { return TT_UNKNOWN; }
>>
>> Now, consider the following string:
>>
>> 2e+09
>>
>>
>> The code generated by re2c interprets this string as being
>> TT_FLOAT_NUMBER (the string "2") followed by TT_UNKNOWN (the string
>> "e+09").
>>
>> Is there a way to use re2c in order to generate code that performs a
>> greedy pattern match, which returns a TT_FLOAT_NUMBER with the string
>> ""2e+09"?
>>
>>
>
> Note your regex pattern for TT_FLOAT_NUMBER uses "." (dot), and the
> supplied input doesn't have it.
>
> --
> Regards,
> Felipe Pena
>
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