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Python String isalpha()
ItsMyCode |
Python string
isalpha() method is mainly used to check if the string is the alphabet or not. The isalpha() method returns true if all the characters in the string are alphabets. Otherwise, it returns false.Syntax – string.isalpha()
*Parameters – * None
*Return Value – * Returns True if all the characters in the string are alphabets; otherwise, it returns false.
Valid Alphabets
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
Example 1 – Let’s take a look at few use cases of
isalpha() method.# Valid alphabet
text1= "HelloWorld"
print(text1.isalpha())
# contains whitespace
text2 = "Hello World"
print(text2.isalpha())
# contains Special Character
text3 = "HelloWorld!!"
print(text3.isalpha())
# contains Alphanumeric
text3 = "Hello123"
print(text3.isalpha())Output
True
False
False
FalseExample 2 – A practical example of the
isalpha() method to check if the entered username is a valid alphabet or not.username = input("Choose a username:")
if username.isalnum() == True:
print("The entered username is ", username)
else:
print("Please enter a valid usernameSrin.")Output
Choose a username:ItsMycode
The entered username is ItsMycodeThe post Python String isalpha() appeared first on ItsMyCode.
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