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Regex.IsMatch Method (String, String)

Indicates whether the regular expression finds a match in the input string using the regular expression specified in the pattern parameter.

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

public static bool IsMatch (
	string input,
	string pattern
)
public static boolean IsMatch (
	String input, 
	String pattern
)
public static function IsMatch (
	input : String, 
	pattern : String
) : boolean
Not applicable.

Parameters

input

The string to search for a match.

pattern

The regular expression pattern to match.

Return Value

true if the regular expression finds a match; otherwise, false.

Exception typeCondition

ArgumentNullException

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

-or-

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

The two static IsMatch methods are equivalent to constructing a Regex object with the specified regular expression pattern and calling the instance method IsMatch. The static methods are provided to allow an isolated, single use of a regular expression without explicitly creating a Regex object.

The pattern parameter consists of various regular expression language elements that symbolically describe the string to match. For more information about regular expressions, see .NET Framework Regular Expressions and Regular Expression Language Elements.

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

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