In this source code example, we will demonstrate how to use the Python string isupper() method to check if all case characters in a string are uppercase.
Use the Python string isupper() method to check if all cased characters of a string are uppercase.
However, the following example returns False because the string contains some characters in lowercase:The following example also returns False because the string doesn’t have any cased characters:
Python
Python String
Python string isupper() method example
The following example uses the isupper() to check if all cased characters of a string are uppercase:message = 'SOURCE CODE EXAMPLES'
is_uppercase = message.isupper()
print(is_uppercase)
Output:
True
message = 'SOURCe CODe EXAMPLEs'
is_uppercase = message.isupper()
print(is_uppercase)
Output:
False
message = '@$10000'
is_uppercase = message.isupper()
print(is_uppercase)
Output:
False
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