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Char.IsUpper Method
Definition
- Namespace:
- System
- Assemblies:
- mscorlib.dll, System.Runtime.dll
- Assemblies:
- netstandard.dll, System.Runtime.dll
- Assembly:
- System.Runtime.dll
- Assembly:
- mscorlib.dll
- Assembly:
- netstandard.dll
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Indicates whether a Unicode character is categorized as an uppercase letter.
Overloads
| Name | Description |
|---|---|
| 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
- 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
- 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.
See also
Applies to
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