Python String isnumeric() method

Python String isnumeric()

Python String isnumeric() is used to check if given string contains only numeric characters or not.

isnumeric() method returns True if all the characters in the given string are numeric [0-9], otherwise the method returns False.

In this tutorial, we will learn the syntax and examples for isnumeric() method of String class.

Syntax

The syntax to call isnumeric() method on string x in Python is

x.isnumeric()

Examples

In the following program, we take a string '314' in x, and check if this string x contains only numeric characters using isnumeric() method.

Example.py

x = '314'
result = x.isnumeric()
print(result)

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Output

True

In the following program, we take a string '3.14' in x, and check if this string is numeric using isnumeric() method. Since, the string contains period character . which is non-numeric, isnumeric() returns False.

Example.py

x = '3.14'
result = x.isnumeric()
print(result)

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Output

False

Conclusion

In this Python Tutorial, we learned how to check if given string contains only numeric characters, using String method – isnumeric().