SpanPolyfillExtensionIndexOfAnyExcept(Span`1Char, SearchValuesPolyfillChar) Method

Searches for the first index of any character other than the specified values.

Definition

Namespace: FolkerKinzel.Strings
Assembly: FolkerKinzel.Strings (in FolkerKinzel.Strings.dll) Version: 9.4.0+10a7d4d71aa960998e32ac0ac6c4fcbe4164c917

C#

public static int IndexOfAnyExcept(
	this Span<char> span,
	SearchValuesPolyfill<char> values
)

VB

<ExtensionAttribute>
Public Shared Function IndexOfAnyExcept ( 
	span As Span(Of Char),
	values As SearchValuesPolyfill(Of Char)
) As Integer

C++

public:
[ExtensionAttribute]
static int IndexOfAnyExcept(
	Span<wchar_t> span, 
	SearchValuesPolyfill<wchar_t>^ values
)

F#

[<ExtensionAttribute>]
static member IndexOfAnyExcept : 
        span : Span<char> * 
        values : SearchValuesPolyfill<char> -> int

Parameters

span SpanChar: The span to search.
values SearchValuesPolyfillChar: The characters to avoid.

Return Value

Int32
The index in the span of the first occurrence of any character other than those in values. If all of the characters are in values, returns -1.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type SpanChar. 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).

Remarks

Caution

This is a polyfill that does not have the excellent performance of System.Buffers.SearchValues<T> when used with framework versions lower than .NET 8.0.

Exceptions

ArgumentNullException

values is null.