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StringExtensionsIndexOfPrevious(String, FuncChar, Boolean, Int32) Method
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Searches a string from right to left for the next instance of a character passing the specified delegate.
Namespace: GSFAssembly: GSF.Core (in GSF.Core.dll) Version: 2.4.256-beta+0e7e94d39a9b10efe7e26e3b8d5130afc0dd4d74
SyntaxGSF.StringExtensions.IndexOfPrevious = function(value, characterTestFunction, startIndex);
View SourceParameters
- value String
- Input string to process.
- characterTestFunction FuncChar, Boolean
- The delegate function used to match characters.
- startIndex Int32 (Optional)
- The index in value from which to begin executing test function. Typically length of value minus 1."
Return Value
Int32The index of the matching 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