StringBuilderExtensionIndexOf(StringBuilder, Char, Int32, Int32) Method

Returns the zero-based index of the first occurrence of the specified character in builder. The search begins at a specified index and a specified number of character positions are checked.

Definition

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

C#

public static int IndexOf(
	this StringBuilder builder,
	char value,
	int startIndex,
	int count
)

VB

<ExtensionAttribute>
Public Shared Function IndexOf ( 
	builder As StringBuilder,
	value As Char,
	startIndex As Integer,
	count As Integer
) As Integer

C++

public:
[ExtensionAttribute]
static int IndexOf(
	StringBuilder^ builder, 
	wchar_t value, 
	int startIndex, 
	int count
)

F#

[<ExtensionAttribute>]
static member IndexOf : 
        builder : StringBuilder * 
        value : char * 
        startIndex : int * 
        count : int -> int

Parameters

builder StringBuilder: The StringBuilder to search.
value Char: The Unicode character to search for.
startIndex Int32: The start index of the search.
count Int32: The number of character positions to examine.

Return Value

Int32
The zero-based index position of value from the beginning of the StringBuilder, if this character was found, otherwise -1.

Usage Note

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

The method performs an ordinal character comparison.

Exceptions

ArgumentNullException

builder is null.

ArgumentOutOfRangeException

startIndex or count are smaller than zero or larger than the number of characters in builder

- or -

startIndex + count is larger than the number of characters in builder.