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Characters in Strings
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LowerCaseQ
LetterQ
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UpperCaseQ
UpperCaseQ
[
string
]
yields
True
if all the characters in the string are uppercase letters, and yields
False
otherwise.
MORE INFORMATION
UpperCaseQ
treats both ordinary and special characters.
EXAMPLES
CLOSE ALL
Basic Examples
(1)
Test whether a character is an uppercase letter:
In[1]:=
Out[1]=
In[2]:=
Out[2]=
Scope
(4)
Properties & Relations
(2)
Possible Issues
(1)
Neat Examples
(1)
SEE ALSO
LowerCaseQ
LetterQ
ToUpperCase
ToCharacterCode
StringExpression
TUTORIALS
Characters in Strings
MORE ABOUT
Character Operations
New in 2 | Last modified in 3
© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
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