isnumeric() : to check if all chars in a string are numeric or not in Python

my_str.isnumeric()

Returns True if all chars in a string are numeric , otherwise rturns False

my_str='abc_45'
print(my_str.isnumeric())      # Output is False 

my_str='1234#56'
print(my_str.isnumeric())      # Output is False
my_str='12.34'
print(my_str.isnumeric())      # Output is False
my_str='1234'              
print(my_str.isnumeric())      # Output is True

Difference between isnumeric(), isdigit() and isdecimal()

Use google to search translate 1234 to chinese , then use the output like this.

my_str='一千二百三十四'
print(my_str.isnumeric())  # True
print(my_str.isdigit())    # False 
print(my_str.isdecimal())  # False

One more example

my_str = '2²'
print(my_str.isnumeric())  # True
print(my_str.isdigit())    # True 
print(my_str.isdecimal())  # False

my_str = '½'
print(my_str.isnumeric())  # True
print(my_str.isdigit())    # False 
print(my_str.isdecimal())  # False

isdigit() will allow only digits 0-9

All String methods

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Subhendu Mohapatra

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