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StringExtensionsIndexOfPrevious(String, String, Int32, Boolean) Method

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

Namespace: GSF
Assembly: GSF.Core (in GSF.Core.dll) Version: 2.4.218-beta+101eee949414e414795e55a6e73d88938f0177b8
Syntax
public static int IndexOfPrevious(
	this string value,
	string testString,
	int startIndex = 0,
	bool matchCase = true
)
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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).
See Also