|   | StringExtensionsIndexOfNot(String, FuncChar, Boolean, Int32) Method | 
        
        
            Finds the first index that does NOT pass the characterTestFunction delegate function.
            
        
        Namespace: GSFAssembly: GSF.Core (in GSF.Core.dll) Version: 2.4.257-beta+00aa2366fbb9ec75f636ebc7cfa610e3826a727c
 Syntax
SyntaxGSF.StringExtensions.IndexOfNot = function(value, characterTestFunction, startIndex);
Parameters
- value  String
- String to process
- characterTestFunction  FuncChar, Boolean
- the character test to use
- startIndex  Int32  (Optional)
- the index at which to begin testing value
Return Value
Int32The first index of a character that does NOT pass the 
characterTestFunction. 
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
See Also