Answers for "python test if a string represents an integer or a float"

python check if number is float or int

# check if a number is int or float

isinstance(x, int) # integer
isinstance(x, float) # float

import numbers
isinstance(x, numbers.Integral) # Long Int

python test if string is int

'16'.isdigit()
>>>True

'3.14'.isdigit()
>>>False

'Some text'.isdigit()
>>>False