Char.IsDigit Method (Char)
Indicates whether the specified Unicode character is categorized as a decimal digit.
Assembly: mscorlib (in mscorlib.dll)
This method determines if a Char is a radix-10 digit. This contrasts with the IsNumber method, which determines if a Char is of any numeric Unicode category. Numbers include characters such as fractions, subscripts, superscripts, Roman numerals, currency numerators, encircled numbers, and script-specific digits.
Valid digits are members of the UnicodeCategory.DecimalDigitNumber category.
The following example demonstrates IsDigit.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.