MemoryExtensions.LastIndexOfAnyExcept Method

Definition

Overloads

LastIndexOfAnyExcept<T>(Span<T>, T, T, T)

Searches for the last index of any value other than the specified value0, value1, or value2.

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, T, T, T)

Searches for the last index of any value other than the specified value0, value1, or value2.

LastIndexOfAnyExcept<T>(Span<T>, T, T)

Searches for the last index of any value other than the specified value0 or value1.

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, T, T)

Searches for the last index of any value other than the specified value0 or value1.

LastIndexOfAnyExcept<T>(Span<T>, T)

Searches for the last index of any value other than the specified value.

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, ReadOnlySpan<T>)

Searches for the last index of any value other than the specified values.

LastIndexOfAnyExcept<T>(Span<T>, SearchValues<T>)

Searches for the last index of any value other than the specified values.

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, T)

Searches for the last index of any value other than the specified value.

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, SearchValues<T>)

Searches for the last index of any value other than the specified values.

LastIndexOfAnyExcept<T>(Span<T>, ReadOnlySpan<T>)

Searches for the last index of any value other than the specified values.

LastIndexOfAnyExcept<T>(Span<T>, T, T, T)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified value0, value1, or value2.

C#
public static int LastIndexOfAnyExcept<T>(this Span<T> span, T value0, T value1, T value2) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
Span<T>

The span to search.

value0
T

A value to avoid.

value1
T

A value to avoid

value2
T

A value to avoid

Returns

The index in the span of the last occurrence of any value other than value0, value1, and value2. If all of the values are value0, value1, and value2, returns -1.

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, T, T, T)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified value0, value1, or value2.

C#
public static int LastIndexOfAnyExcept<T>(this ReadOnlySpan<T> span, T value0, T value1, T value2) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
ReadOnlySpan<T>

The span to search.

value0
T

A value to avoid.

value1
T

A value to avoid

value2
T

A value to avoid

Returns

The index in the span of the last occurrence of any value other than value0, value1, and value2. If all of the values are value0, value1, and value2, returns -1.

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9

LastIndexOfAnyExcept<T>(Span<T>, T, T)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified value0 or value1.

C#
public static int LastIndexOfAnyExcept<T>(this Span<T> span, T value0, T value1) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
Span<T>

The span to search.

value0
T

A value to avoid.

value1
T

A value to avoid

Returns

The index in the span of the last occurrence of any value other than value0 and value1. If all of the values are value0 or value1, returns -1.

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, T, T)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified value0 or value1.

C#
public static int LastIndexOfAnyExcept<T>(this ReadOnlySpan<T> span, T value0, T value1) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
ReadOnlySpan<T>

The span to search.

value0
T

A value to avoid.

value1
T

A value to avoid

Returns

The index in the span of the last occurrence of any value other than value0 and value1. If all of the values are value0 or value1, returns -1.

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9

LastIndexOfAnyExcept<T>(Span<T>, T)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified value.

C#
public static int LastIndexOfAnyExcept<T>(this Span<T> span, T value) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
Span<T>

The span to search.

value
T

A value to avoid.

Returns

The index in the span of the last occurrence of any value other than value. If all of the values are value, returns -1.

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, ReadOnlySpan<T>)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified values.

C#
public static int LastIndexOfAnyExcept<T>(this ReadOnlySpan<T> span, ReadOnlySpan<T> values) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
ReadOnlySpan<T>

The span to search.

values
ReadOnlySpan<T>

The values to avoid.

Returns

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

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9

LastIndexOfAnyExcept<T>(Span<T>, SearchValues<T>)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified values.

C#
public static int LastIndexOfAnyExcept<T>(this Span<T> span, System.Buffers.SearchValues<T> values) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
Span<T>

The span to search.

values
SearchValues<T>

The values to exclude from the search.

Returns

The index in the span of the last occurrence of any value other than those in values. If all of the values are in values, returns -1.

Applies to

.NET 9 and .NET 8
Product Versions
.NET 8, 9

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, T)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified value.

C#
public static int LastIndexOfAnyExcept<T>(this ReadOnlySpan<T> span, T value) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
ReadOnlySpan<T>

The span to search.

value
T

A value to avoid.

Returns

The index in the span of the last occurrence of any value other than value. If all of the values are value, returns -1.

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9

LastIndexOfAnyExcept<T>(ReadOnlySpan<T>, SearchValues<T>)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified values.

C#
public static int LastIndexOfAnyExcept<T>(this ReadOnlySpan<T> span, System.Buffers.SearchValues<T> values) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
ReadOnlySpan<T>

The span to search.

values
SearchValues<T>

The values to exclude from the search.

Returns

The index in the span of the last occurrence of any value other than those in values. If all of the values are in values, returns -1.

Applies to

.NET 9 and .NET 8
Product Versions
.NET 8, 9

LastIndexOfAnyExcept<T>(Span<T>, ReadOnlySpan<T>)

Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs
Source:
MemoryExtensions.cs

Searches for the last index of any value other than the specified values.

C#
public static int LastIndexOfAnyExcept<T>(this Span<T> span, ReadOnlySpan<T> values) where T : IEquatable<T>;

Type Parameters

T

The type of the span and values.

Parameters

span
Span<T>

The span to search.

values
ReadOnlySpan<T>

The values to avoid.

Returns

The index in the span of the last occurrence of any value other than those in values. If all of the values are in values, returns -1.

Applies to

.NET 9 and other versions
Product Versions
.NET 7, 8, 9