Python isdecimal

The Python isdecimal is one of the available String function. This function returns True, if all the characters in a string are decimal characters otherwise, it returns False.

In this article, we will show you, How to write isdecimal Function in Python Programming with example.

The basic syntax of the isdecimal function is as shown below:

String_Value.isdecimal()

Python isdecimal Example

The following set of examples will help you understand the string isdecimal function. Within the fourth statement 100.23 is returning false because, there is no decimal representation for . symbol.

# Python isdecimal Method Example
 
str1 = "100"
print("Output of str1 = ", str1.isdecimal())
 
str2 = "Python"
print("Output of str2 = ", str2.isdecimal())
 
str3 = "100and200"
print("Output of str3 = ", str3.isdecimal())
 
str4 = "100.23"
print("Output of str4 = ", str4.isdecimal())
 
str5 = "100 30"
print("Output of str5 = ", str5.isdecimal())

OUTPUT

String isdecimal Example 2

In this example, we are using the isdecimal function against unicodes of different digits. Within the last statement, we used the unicode of $ symbol and that’s the reason it was returning false.

str1 = "\u0033" # Unicode of Digit 3
print("Output of str1 = ", str1.isdecimal())
 
str2 = "\u0039" # Unicode of Digit 9
print("Output of str2 = ", str2.isdecimal())
 
str3 = "\u06F1" #Extended Arabic-Indic Digit 1
print("Output of str3 = ", str3.isdecimal())
 
str4 = "\u07C9" # Niko Digit 9
print("Output of str4 = ", str4.isdecimal())
 
str5 = "\u096C" # Devanagari Digit 6
print("Output of str5 = ", str5.isdecimal())
 
str6 = "\u0024" # Unicode of $ Symbol
print("Output of str6 = ", str6.isdecimal())

OUTPUT

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