The isupper method
The isupper method checks all characters in a string for uppercase. Nothing is passed to the method parameters. The method returns the Boolean values True or False.
Syntax
string.isupper()
Example
Let's check all characters in a string for uppercase:
txt = 'ABCDEF'
print(txt.isupper())
Result of code execution:
True
Example
Now let's say there are other symbols in the line:
txt = 'AbcDef'
print(txt.isupper())
Result of code execution:
False
See also
-
method
istitle,
which checks the first character of a word for uppercase -
method
islower,
which checks the characters of a string for lowercase -
method
title,
which changes the first character of each word to uppercase -
method
upper,
which returns all characters of a string in uppercase -
method
swapcase,
which changes the case of characters to the opposite -
method
lower,
which returns all lowercase ASCII characters -
method
capitalize,
which changes the first character of a string to uppercase -
method
casefold,
which returns all unicode characters in lowercase
