Python String isalpha() method

The isalpha() method is one of the inbuilt String methods of Python. The isalpha() function is used to check whether a string consists only of alphabets(a-z or A-Z) or not. In isalpha() function both uppercase and lowercase alphabets are allowed.

Python String isalpha() method Syntax :

string.isalpha()

Here, the string can be any string enclosed in double quotes or a string variable.

The return value of the Python String isalpha() method :

The isalpha() also returns True or False. It returns True if the string only consists of alphabets otherwise returns False.

Let’s understand with the help of some examples :

Example 1:

str = "Aabc"
print(str.isalpha())

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Output :

True

Example 2:

str = "Aabc12"
print(str.isalpha())

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Output :

False

Example 3:

str = " Aabc "
print(str.isalpha())

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Output :

False

The above output is False because the above string contains space with characters.

Example 4:

str = "A@bc"
print(str.isalpha())

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Output :

False