check if string only contains numbers python code example
Example 1: python test if number in string
>>> def hasNumbers(inputString):
... return any(char.isdigit() for char in inputString)
...
>>> hasNumbers("I own 1 dog")
True
>>> hasNumbers("I own no dog")
False
Example 2: python how to check if string contains only numbers
print("012345".isdecimal())
OUTPUT
True
print("a12345".isdecimal())
OUTPUT
False