isFloat: Without Exception-Handling

[Rajarshi Guha]

On Wed, 18 Sep 2002 11:41:47 -0400, Thomas Guettler wrote:

> Hi!
> 
> Is there a way to write the following method without using exceptions?
> 
> def isFloat(string):
>      is_float=1
>      try:
>          float(string)
>      except:
>          is_float=0
>      return is_float
> 
> print isFloat("asdf") # --> 0
> print isFloat("0.1")  # --> 1


def isFloat(string):
  if type(string) == type(1.0):
    return 1
  else
    return 0

This should do what you want without exceptions