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Regex::Match Method (String, String)

Searches the specified input string for the first occurrence of the specified regular expression.

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

public:
static Match^ Match(
	String^ input, 
	String^ pattern
)

Parameters

input
Type: System::String
The string to search for a match.
pattern
Type: System::String
The regular expression pattern to match.

Return Value

Type: System.Text.RegularExpressions::Match
An object that contains information about the match.

ExceptionCondition
ArgumentException

A regular expression parsing error occurred.

ArgumentNullException

input or pattern is nullptr.

The static Match(String, String) method is equivalent to constructing a Regex object with the specified regular expression pattern and calling the instance Match(String) method. In this case, the regular expression engine caches the regular expression pattern.

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 - Quick Reference.

You can determine whether the regular expression pattern has been found in the input string by checking the value of the returned Match object's Success property. If a match is successful, the returned Match object's Value property contains the substring from input that matches the regular expression pattern. If no match is found, its value is String::Empty.

This method returns the first substring in input that matches the regular expression pattern. You can retrieve subsequent matches by repeatedly calling the returned Match object's Match::NextMatch method. You can also retrieve all matches in a single method call by calling the Regex::Matches(String, String) method.

The following example calls the Match method to find the first word that contains at least one z character, and then calls the Match::NextMatch method to find any additional matches.

No code example is currently available or this language may not be supported.

The regular expression pattern \b\w*z+\w*\b is interpreted as shown in the following table.

Pattern

Description

\b

Begin the match at a word boundary.

\w*

Match zero, one, or more word characters.

z+

Match one or more occurrences of the z character.

\w*

Match zero, one, or more word characters.

\b

End the match at a word boundary.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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