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Regex.Replace Method (String, String, MatchEvaluator)

Replaces all occurrences of a character pattern defined by a regular expression with a replacement character string starting at the first character. A MatchEvaluator delegate is called at each match to evaluate the replacement.

Namespace: System.Text.RegularExpressions
Assembly: System (in system.dll)

public static string Replace (
	string input,
	string pattern,
	MatchEvaluator evaluator
)
public static String Replace (
	String input, 
	String pattern, 
	MatchEvaluator evaluator
)
public static function Replace (
	input : String, 
	pattern : String, 
	evaluator : MatchEvaluator
) : String

Parameters

input

The string to modify.

pattern

The regular expression pattern to match.

evaluator

The MatchEvaluator which evaluates replacement at each step.

Return Value

The modified character string.

The MatchEvaluator type is a delegate that takes a single Match as input and returns a string. It is declared as follows:

public delegate String RegexMatchEvaluator(Match match);

The delegate is called once per match during a replace.

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

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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