Determines whether the character at the specified position in the specified string is either a letter or a decimal digit.
Parameters
Returns
true if the character at position index in s is a member of one of the following categories in System.Globalization.UnicodeCategory: System.Globalization.UnicodeCategory.UppercaseLetter, System.Globalization.UnicodeCategory.LowercaseLetter, System.Globalization.UnicodeCategory.TitlecaseLetter, System.Globalization.UnicodeCategory.ModifierLetter, System.Globalization.UnicodeCategory.OtherLetter, or System.Globalization.UnicodeCategory.DecimalDigitNumber; otherwise, false.
Exceptions
Type Reason ArgumentNullException s is a null reference. ArgumentOutOfRangeException The value of index is less than zero, or greater than or equal to the length of s.
Remarks
Documentation for this section has not yet been entered.
Requirements
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0