Python - String Method - isdecimal() Tutorial

The isdecimal() method returns True if all characters in the string are decimal. otherwise, it returns False.

Syntax-

String.isdecimal()

Example-

#contain white space and alphabet
str1 = "Hello Sam425"
print(str1.isdecimal())

#contain only decimal
str2 = "425"
print(str2.isdecimal())

str3 = "\u0030" #unicode for 0
print(str3.isdecimal())

str4 = "\u00B2" #unicode for square -2
print(str4.isdecimal())

Output-

False
True
True
False