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Char.IsLetter() Method in C#
The Char.IsLetter() method in C# is used to indicate whether the specified Unicode character is categorized as a Unicode letter.
Syntax
Following is the syntax −
public static bool IsLetter (char ch);
Above, the parameter ch is the Unicode character to evaluate.
Example
Let us now see an example to implement the Char.IsLetter() method −
using System; public class Demo { public static void Main(){ bool res; char val = 'K'; Console.WriteLine("Value = "+val); res = Char.IsLetter(val); Console.WriteLine("Is the value a letter? = "+res); } }
Output
This will produce the following output −
Value = K Is the value a letter? = True
Example
Let us now see another example −
using System; public class Demo { public static void Main(){ bool res; char val = '2'; Console.WriteLine("Value = "+val); res = Char.IsLetter(val); Console.WriteLine("Is the value a letter? = "+res); } }
Output
This will produce the following output −
Value = 2 Is the value a letter? = False
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