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StringValidator Constructor (Int32, Int32, String)

Initializes a new instance of the StringValidator class, based on supplied parameters.

Namespace:  System.Configuration
Assembly:  System.Configuration (in System.Configuration.dll)

public StringValidator(
	int minLength,
	int maxLength,
	string invalidCharacters


Type: System.Int32

An integer that specifies the minimum length of the string value.

Type: System.Int32

An integer that specifies the maximum length of the string value.

Type: System.String

A string that represents invalid characters.

This StringValidator constructor ensures that the string being validated adheres to both a minimum and a maximum length, and also ensures that specific characters are excluded in the string.

The following example demonstrates how to use this StringValidator constructor. This code example is part of a larger example provided for the StringValidator class.

// Create string and validator. 
string testVal = "filename";
StringValidator myStrValidator = new StringValidator(1,8,"$%^");

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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