Parameters

s

A string. [Edit]

index

A int that specifies a character position in s. [Edit]

index

Documentation for this section has not yet been entered. [Edit]

Returns

true if the character at position index in s is a member of the following category in System.Globalization.UnicodeCategory: System.Globalization.UnicodeCategory.DecimalDigitNumber; otherwise, false. [Edit]

Exceptions

Type	Reason
ArgumentNullException	s is a null reference. [Edit]
ArgumentOutOfRangeException	The value of index is less than zero, or greater than or equal to the length of s. [Edit]

Remarks

Note: char.IsDigit(char) determines if a char is a radix-10 digit. This contrasts with char.IsNumber(char), which determines if a char is of any numeric Unicode category.

[Edit]

Requirements

Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0