StringExtensionsIndexOfPreviousNot(String, FuncChar, Boolean, Int32) Method

Searches a string from right to left for the next instance of a character that does not pass the given delegate function.

Definition

Namespace: Gemstone.StringExtensions
Assembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.175 -- Release Build+70cfebd19f80455d07e1cf93607e59f6af0e38f4

C#View Source Request Example

public static int IndexOfPreviousNot(
	this string? value,
	Func<char, bool> characterTestFunction,
	int startIndex = 0
)

VBView Source Request Example

<ExtensionAttribute>
Public Shared Function IndexOfPreviousNot ( 
	value As String,
	characterTestFunction As Func(Of Char, Boolean),
	Optional startIndex As Integer = 0
) As Integer

C++View Source Request Example

public:
[ExtensionAttribute]
static int IndexOfPreviousNot(
	String^ value, 
	Func<wchar_t, bool>^ characterTestFunction, 
	int startIndex = 0
)

JavaScriptView Source Request Example

Gemstone.StringExtensions.StringExtensions.IndexOfPreviousNot = function(value, characterTestFunction, startIndex);

Parameters

value String: Input string to process.
characterTestFunction FuncChar, Boolean: The character test to use.
startIndex Int32 (Optional): The index in value from which to begin testing characters. Typically length of value minus 1."

Return Value

Int32
The index of the character within value or (-1) if not found.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type String. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

StringExtensionsIndexOfPreviousNot(String, FuncChar, Boolean, Int32) Method

Definition

Parameters

Return Value

Usage Note

See Also

Reference