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Strings::Replace Method

Returns a string in which a specified substring has been replaced with another substring a specified number of times.

Namespace:  Microsoft.VisualBasic
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

public:
static String^ Replace(
	String^ Expression, 
	String^ Find, 
	String^ Replacement, 
	int Start, 
	int Count, 
	CompareMethod Compare
)

Parameters

Expression
Type: System::String

Required. String expression containing substring to replace.

Find
Type: System::String

Required. Substring being searched for.

Replacement
Type: System::String

Required. Replacement substring.

Start
Type: System::Int32

Optional. Position within Expression where substring search is to begin. If omitted, 1 is assumed.

Count
Type: System::Int32

Optional. Number of substring substitutions to perform. If omitted, the default value is –1, which means "make all possible substitutions."

Compare
Type: Microsoft.VisualBasic::CompareMethod

Optional. Numeric value indicating the kind of comparison to use when evaluating substrings. See Settings for values.

Return Value

Type: System::String
If Find is zero-length or Nothing, Replace returns copy of Expression. If Replace is zero-length, Replace returns copy of Expression with no occurrences of Find. If Expression is zero-length or Nothing, or Start is greater than length of Expression, Replace returns Nothing. If Count is 0, Replace returns copy of Expression.

For more detailed information, see the Visual Basic topic Replace Function (Visual Basic).

The return value of the Replace function is a string that begins at the position specified by Start and concludes at the end of the Expression string, with the substitutions made as specified by the Find and Replace values.

The Compare argument can have the following values.

Constant

Description

Binary

Performs a binary comparison

Text

Performs a textual comparison

This example demonstrates the Replace function.

Dim TestString As String = "Shopping List"
' Returns "Shipping List".
Dim aString As String = Replace(TestString, "o", "i")

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

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