StringExtensionsIndexOfPrevious(String, String, Int32, Boolean) Method

Searches a string from right to left for the next instance of a specified string.

Definition

Namespace: Gemstone.StringExtensions
Assembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.110 -- Release Build+3e0464f4461df4d3e1175b13966eb47ff832554d

C#View Source Request Example

public static int IndexOfPrevious(
	this string? value,
	string testString,
	int startIndex = 0,
	bool matchCase = true
)

VBView Source Request Example

<ExtensionAttribute>
Public Shared Function IndexOfPrevious ( 
	value As String,
	testString As String,
	Optional startIndex As Integer = 0,
	Optional matchCase As Boolean = true
) As Integer

C++View Source Request Example

public:
[ExtensionAttribute]
static int IndexOfPrevious(
	String^ value, 
	String^ testString, 
	int startIndex = 0, 
	bool matchCase = true
)

JavaScriptView Source Request Example

Gemstone.StringExtensions.StringExtensions.IndexOfPrevious = function(value, testString, startIndex, matchCase);

Parameters

value String: Input string to process.
testString String: The string to find.
startIndex Int32 (Optional): The index in value from which to begin looking for testString. Typically length of value minus 1."
matchCase Boolean (Optional): Set to false for case insensitive search

Return Value

Int32
The start (or left most) index of testString 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).

StringExtensionsIndexOfPrevious(String, String, Int32, Boolean) Method

Definition

Parameters

Return Value

Usage Note

See Also

Reference