How can I check if a string represents an int, without using try/except?

Posted by Ramesh Singh | Updated on January 21, 2020

If you want to check if a string represents an int, without using try/except? Then just use the following Python helper function.

def RepresentsInt(s):

try:

int(s)

return True

except ValueError:

return False

>>> print RepresentsInt("+123")

True

>>> print RepresentsInt("10.0")

False

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How can I check if a string represents an int, without using try/except?

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