CompareInfo.IsSortable Method (String)

Indicates whether a specified Unicode string is sortable.

Namespace:  System.Globalization
Assembly:  mscorlib (in mscorlib.dll)

public static bool IsSortable(
	string text


Type: System.String

A string of zero or more Unicode characters.

Return Value

Type: System.Boolean
true if the str parameter is not an empty string ("") and all the Unicode characters in str are sortable; otherwise, false.


str is null.

Each Unicode character in the str parameter is represented by one or more UTF-16 encoded Char objects. The str parameter is sortable if each Unicode character is defined in an internal CompareInfo class sort table, and is not a private use or unpaired high or low surrogate character.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
© 2015 Microsoft