Re: [re2c-general] How to get re2c to perform a greedy pattern match?

[Felipe P. <fel...@gm...>]

Hi,

2011/8/6 Rui Maciel <rui...@gm...>:
> 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