Method Isnumeric() Of Str Class In Python

Method Name:

isnumeric

Method Signature:

isnumeric()

Parameters:

None

Return Value:

True if all the characters are numeric. False otherwise.

Overview:

  • The isnumeric() method returns True if the string literal is entirely made-up of numeric characters. Otherwise, it returns False.
  • For an empty string isnumeric() returns False.

Note: isnumeric() returns True for any character representing vulgar fraction(s) like ¾, whereas isdecimal() returns False for such cases.

Example:

# Example Python program that checks whether the characters of

# a Python string are all numeric

 

# Check the string literal and print the results

def numericCheck(literal):

    testResult      = platformNumber.isnumeric();

    print("The string literal \"%s\" is made up of all numeric digits:" %literal);

    print(testResult);

 

platformNumber  = "9\u00BE";

numericCheck(platformNumber);

 

platformNumber  = "1A";

numericCheck(platformNumber);

 

Output:

The string literal "9¾" is made up of all numeric digits:

True

The string literal "1A" is made up of all numeric digits:

False


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