checking if a string contains a number

[Suresh Jeevanandam]

Hi,
        I have a string like,
        s1 = '12e3'
        s2 = 'junk'

        Now before converting these values to float, I want to check if they 
are valid numbers.

        s1.isdigit returns False.

        Is there any other function which would return True for s1 and False 
for s2.

Thanks

--
Suresh
-- 
http://mail.python.org/mailman/listinfo/python-list