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isascii()

The isascii() method is a string method in Python that checks whether all the characters in a string are ASCII characters or not. It returns True if all the characters are ASCII, otherwise returns False.

Parameter Values

This function does not accept any parameters.

Return Values

The isascii() method returns a bool value: True or False.

How to Use isascii() in Python

Example 1:

The isascii() method returns True if all the characters in a string are ASCII characters, otherwise it returns False.

str1 = 'Hello123'
print(str1.isascii()) # Output: True
Example 2:

If the string contains any non-ASCII characters, the method returns False.

str2 = 'Héllo'
print(str2.isascii()) # Output: False
Example 3:

The method also returns True for an empty string, as there are no characters to check.

str3 = ''
print(str3.isascii()) # Output: True