Char.IsLetterOrDigit Method (Char)
May 02, 2013
Indicates whether the specified Unicode character is categorized as a letter or a decimal digit.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- c
- Type: System.Char
The Unicode character to evaluate.
Valid alphabetic letters and decimal digits are members of the following categories in UnicodeCategory: UppercaseLetter, LowercaseLetter, TitlecaseLetter, ModifierLetter, OtherLetter, or DecimalDigitNumber.
The following example demonstrates IsLetterOrDigit.
using System; public class Example { public static void Demo(System.Windows.Controls.TextBlock outputBlock) { string str = "newline:\n"; outputBlock.Text += Char.IsLetterOrDigit('8').ToString() + "\n"; outputBlock.Text += (Char.IsLetterOrDigit(str, 8).ToString()) + "\n"; } } // The example displays the following output: // True // False
