Char.IsUpper Method
Definition
Important
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Indicates whether a Unicode character is categorized as an uppercase letter.
Overloads
| IsUpper(Char) |
Indicates whether the specified Unicode character is categorized as an uppercase letter. |
| IsUpper(String, Int32) |
Indicates whether the character at the specified position in a specified string is categorized as an uppercase letter. |
IsUpper(Char)
- Source:
- Char.cs
- Source:
- Char.cs
- Source:
- Char.cs
Indicates whether the specified Unicode character is categorized as an uppercase letter.
public:
static bool IsUpper(char c);public static bool IsUpper (char c);static member IsUpper : char -> boolPublic Shared Function IsUpper (c As Char) As BooleanParameters
- c
- Char
The Unicode character to evaluate.
Returns
true if c is an uppercase letter; otherwise, false.
Remarks
Valid uppercase letters are members of the following category in UnicodeCategory: UppercaseLetter.
See also
Applies to
IsUpper(String, Int32)
- Source:
- Char.cs
- Source:
- Char.cs
- Source:
- Char.cs
Indicates whether the character at the specified position in a specified string is categorized as an uppercase letter.
public:
static bool IsUpper(System::String ^ s, int index);public static bool IsUpper (string s, int index);static member IsUpper : string * int -> boolPublic Shared Function IsUpper (s As String, index As Integer) As BooleanParameters
- s
- String
A string.
- index
- Int32
The position of the character to evaluate in s.
Returns
true if the character at position index in s is an uppercase letter; otherwise, false.
Exceptions
s is null.
index is less than zero or greater than the last position in s.
Remarks
Character positions in a string are indexed starting from zero.
Valid uppercase letters are members of the following category in UnicodeCategory: UppercaseLetter.
