Best way to check if string is an integer?

Steve Holden steve at holdenweb.com
Tue Apr 8 23:40:31 CEST 2008


Martin Marcher wrote:
> hmmm
> 
> int() does miss some stuff:
> 
>>>> 1E+1
> 10.0
>>>> int("1E+1")
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ValueError: invalid literal for int() with base 10: '1E+1'
> 
> I wonder how you parse this?
> 
> I honestly thought until right now int() would understand that and
> wanted to show that case as ease of use, I was wrong, so how do you
> actually cast this type of input to an integer?
> 
> thanks
> martin
> 
> 
int(float("1E+1")) # untested

regards
  Steve
-- 
Steve Holden        +1 571 484 6266   +1 800 494 3119
Holden Web LLC              http://www.holdenweb.com/




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