Python 3 – isdecimal() Method

Description

isdecimal() method checks whether a string contains only decimal characters. This method only exists on Unicode objects.

Note − Unlike Python 2, all strings are represented as Unicode in Python 3. The following is an example.

Syntax

The following is the syntax for the isdecimal() method:

str.isdecimal()

Parameters

NA

Return Value

Returns true if all characters in the string are decimal, otherwise returns false.

Example

The following example shows the use of the isdecimal() method.

#!/usr/bin/python3

str = "this2016"
print (str.isdecimal())

str = "23443434"
print (str.isdecimal())

Result

When running the above program, it produces the following result:

False
True