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Python String | isalpha method
schedule Aug 11, 2023
Last updated local_offer
Tags Python
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Python's str.isalpha() method returns a boolean indicating whether all characters in a string are alphabetic (a - z).
Parameters
No parameters.
Return value
A single boolean indicating whether or not all the characters in a string are alphabet letters. If the string is empty False is returned.
Examples
Basic usage
To check whether all characters in 'Sky Towner' are alphabetic:
x = 'Sky Towner'x.isalpha()False
False
The space character is not alphabetic, hence False is returned.
To check whether all characters in 'SkyTowner' are alphabetic:
y = 'SkyTowner'y.isalpha()
True
To check whether all characters in 'SkyTowner!' are alphabetic:
z = 'SkyTowner!'z.isalpha()
False
The ! character is not alphabetic, hence False is returned.
Empty string
If the string is empty, False is returned:
a = ''a.isalpha()
False
Published by Isshin Inada
Edited by 0 others
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Official Python Documentation
https://docs.python.org/3/library/stdtypes.html#str.isalpha
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