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Python String | isnumeric() method with Examples

Python String isnumeric() method with Examples on capitalize(), center(), count(), encode(), find(), format(), index(), join(), lower(), ljust(), isupper(), istitle(), isspace(), isprintable(), isnumeric(), islower() etc.

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Python String isnumeric() Method

Python isnumeric() method checks whether all the characters of the string are numeric characters or not. It returns True if all the characters are true, otherwise returns False.

Numeric characters include digit characters and all the characters which have the Unicode numeric value property.

Signature

isnumeric()

Parameters

No parameter is required.

Return

It returns either True or False.

Let's see some examples of isnumeric() method to understand it's functionalities.

Python String isnumeric() Method Example 1

Here, a simple example is created to check the string is numeric or not.

# Python isnumeric() method example
# Variable declaration
str = "12345"
# Calling function
str2 = str.isnumeric()
# Displaying result
print(str2)

Output:

True

Python String isnumeric() Method Example 2

Let's test it on the non-numeric string, see it returns False.

# Python isnumeric() method example
# Variable declaration
str = "TheDeveloperBlog12345"
# Calling function
str2 = str.isnumeric()
# Displaying result
print(str2)

Output:

False

Python String isnumeric() Method Example 3

See a senario where and how we can apply isnumeric() method in python programming

# Python isnumeric() method example
str = "123452500" # True
if str.isnumeric() == True:
    print("Numeric")
else:
    print("Not numeric")
str2 = "123-4525-00" # False
if str2.isnumeric() == True:
    print("Numeric")
else:
    print("Not numeric")

Output:

Numeric
Not numeric

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