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.
Namespace: Gemstone.StringExtensionsAssembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.143 -- Release Build+524337d392fd5616b12b50022b004322b9e7c330
public static int IndexOfPreviousNot(
this string? value,
Func<char, bool> characterTestFunction,
int startIndex = 0
)
<ExtensionAttribute>
Public Shared Function IndexOfPreviousNot (
value As String,
characterTestFunction As Func(Of Char, Boolean),
Optional startIndex As Integer = 0
) As Integer
public:
[ExtensionAttribute]
static int IndexOfPreviousNot(
String^ value,
Func<wchar_t, bool>^ characterTestFunction,
int startIndex = 0
)
Gemstone.StringExtensions.StringExtensions.IndexOfPreviousNot = function(value, characterTestFunction, startIndex);
- 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."
Int32The index of the character within
value or (-1) if not found.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).