Python String isnumeric() Method


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Description

Python string method isnumeric() checks whether the string consists of only numeric characters. This method is present only on unicode objects.

Note − To define a string as Unicode, one simply prefixes a 'u' to the opening quotation mark of the assignment. Below is the example.

Syntax

Following is the syntax for isnumeric() method −

str.isnumeric()

Parameters

  • NA

Return Value

This method returns true if all characters in the string are numeric, false otherwise.

Example

The following example shows the usage of isnumeric() method.

#!/usr/bin/python

str = u"this2009";  
print str.isnumeric()

str = u"23443434";
print str.isnumeric()

When we run above program, it produces following result −

False
True
python_strings.htm

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