Char.IsLetterOrDigit Method (Char)
.NET Framework (current version)
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 letters and decimal digits are members of the following categories in UnicodeCategory: UppercaseLetter, LowercaseLetter, TitlecaseLetter, ModifierLetter, OtherLetter, or DecimalDigitNumber.
The following code example demonstrates IsLetterOrDigit.
Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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