Char.IsSymbol Method (String, Int32)
Indicates whether the character at the specified position in a specified string is categorized as a symbol character.
Assembly: mscorlib (in mscorlib.dll)
Character positions in a string are indexed starting from zero.
Valid symbols are members of the following categories in System.Globalization.UnicodeCategory: MathSymbol, CurrencySymbol, ModifierSymbol, and OtherSymbol.
Symbols in the Unicode standard are a loosely defined set of characters that include the following:
Letterlike symbols, which include a set of mathematical alphanumeric symbols as well as symbols such as ℅, №, and ™.
Number forms, such as subscripts and superscripts.
Mathematical operators and arrows.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.