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Regex.Match Method (String, Int32, Int32)

Searches the input string for an occurrence of a regular expression with a specified input string starting position and input string length.

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

public Match Match (
	string input,
	int beginning,
	int length
public Match Match (
	String input, 
	int beginning, 
	int length
public function Match (
	input : String, 
	beginning : int, 
	length : int
) : Match
Not applicable.



The string to be tested for a match.


The character position in the input string at which to begin the search.


The number of characters in the substring to include in the search.

Return Value

A regular expression Match object.

Exception typeCondition


input is a null reference (Nothing in Visual Basic).

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0