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RuleRegularExpressionAttribute(String, String, String) Constructor

Initializes a new instance of the RuleRegularExpressionAttribute class.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v19.1.dll


public RuleRegularExpressionAttribute(
    string id,
    string targetContextIDs,
    string pattern
Public Sub New(
    id As String,
    targetContextIDs As String,
    pattern As String


Name Type Description
id String

A string value representing the current rule identifier. You can pass an empty value as the id parameter. An appropriate identifier will begenerated automatically, and set for the ID property of the Validation | Rules | Rule node in the Application Model.

targetContextIDs String

A string value that specifies a list of identifiers of the contexts when the current rule should be checked. This value is set for the RuleBaseAttribute.TargetContextIDs property.

pattern String

A string value that represents the regular expression that the property must match.


If you are going to set a custom message template instead of a default one, use a constructor with the messageTemplate parameter.

See Also