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StringExtensionsIndexOfPreviousNot(String, Char, Int32) Method

Searches a string from right to left for the next instance of a character that is not contained in the specified collection of characters.

Namespace: GSF
Assembly: GSF.Core (in GSF.Core.dll) Version: 2.4.254-beta+b1c32a8191971a5ec09744a3eb270cb5508e892c
Syntax
public static int IndexOfPreviousNot(
	this string value,
	char[] anyOf,
	int startIndex = 0
)
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Parameters

value  String
Input string to process.
anyOf  Char
The characters to use to test find.
startIndex  Int32  (Optional)
The index in value from which to begin looking for characters not in anyOf. 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).
See Also