SpanExtensionLastIndexOf(Span`1Char, ReadOnlySpan`1Char, StringComparison) Method

Specifies the zero-based index of the last occurrence of a specified character sequence in span. A parameter specifies the type of search for the specified character sequence.

Definition

Namespace: FolkerKinzel.Strings
Assembly: FolkerKinzel.Strings (in FolkerKinzel.Strings.dll) Version: 9.4.0+10a7d4d71aa960998e32ac0ac6c4fcbe4164c917
C#
public static int LastIndexOf(
	this Span<char> span,
	ReadOnlySpan<char> value,
	StringComparison comparisonType
)

Parameters

span  SpanChar
The span to search.
value  ReadOnlySpanChar
The span to search for.
comparisonType  StringComparison
One of the enumeration values that specifies the rules for the comparison.

Return Value

Int32
The zero-based start index of the value parameter if this character sequence was found, or -1 if it was not found or span is empty.

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).

See Also