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Char Struct in C#
The Char Struct in C# represents a character as a UTF-16 code unit. Here are some of the methods −
| Method | Description |
|---|---|
| ConvertToUtf32(Char, Char) | Converts the value of a UTF-16 encoded surrogate pair into a Unicode code point. |
| ConvertToUtf32(String, Int32) | Converts the value of a UTF-16 encoded character or surrogate pair at a specified position in a string into a Unicode code point. |
| Equals(Char) | Returns a value that indicates whether this instance is equal to the specified Char object. |
| Equals(Object) | Returns a value that indicates whether this instance is equal to a specified object. |
| GetHashCode() | Returns the hash code for this instance. |
| GetNumericValue(Char) | Converts the specified numeric Unicode character to a double-precision floating-point number. |
| IsDigit(String, Int32) | Indicates whether the character at the specified position in a specified string is categorized as a decimal digit. |
| IsLetter(Char) | Indicates whether the specified Unicode character is categorized as a Unicode letter. |
| IsLetter(String, Int32) | Indicates whether the character at the specified position in a specified string is categorized as a Unicode letter. |
| sLetterOrDigit(Char) | Indicates whether the specified Unicode character is categorized as a letter or a decimal digit. |
| IsLetterOrDigit(String, Int32) | Indicates whether the character at the specified position in a specified string is categorized as a letter or a decimal digit. |
| IsLower(Char) | Indicates whether the specified Unicode character is categorized as a lowercase letter. |
| IsPunctuation(String, Int32) | Indicates whether the character at the specified position in a specified string is categorized as a punctuation mark. |
Let us see an example to implement the Char.IsSymbol() method. The Char.IsSymbol() method in C# is indicated whether the character at the specified position in a specified string is categorized as a symbol character.
Syntax
Following is the syntax −
public static bool IsSymbol (string str, int index);
Above, str is a string, whereas the position of the character to evaluate in str.
Example
Let us now see an example to implement the Char.IsSymbol() method −
using System;
public class Demo {
public static void Main(){
bool res;
char val = 'P';
Console.WriteLine("Value = "+val);
res = Char.IsSymbol(val);
Console.WriteLine("Is the value a symbol? = "+res);
}
}Output
This will produce the following output −
Value = P Is the value a symbol? = False
The Char.IsWhiteSpace() method in C# is used to indicate whether the specified Unicode character is white space.
Syntax
Following is the syntax −
public static bool IsWhiteSpace (char ch);
Above, the parameter ch is the Unicode character to evaluate.
Example
Let us now see an example to implement the Char.IsWhiteSpace() method −
using System;
public class Demo {
public static void Main(){
bool res;
char val = ' ';
Console.WriteLine("Value = "+val);
res = Char.IsWhiteSpace(val);
Console.WriteLine("Is the value whitespace? = "+res);
}
}Output
This will produce the following output−
Value = Is the value whitespace? = True
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