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RegularExpressionAttribute Constructor (String^)
.NET Framework (current version)
Initializes a new instance of the RegularExpressionAttribute class.
Assembly: System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)
Parameters
- pattern
-
Type:
System::String^
The regular expression that is used to validate the data field value.
| Exception | Condition |
|---|---|
| ArgumentNullException | pattern is null. |
The following example shows how to apply the RegularExpressionAttribute to a data field. If validation fails, the code in the example displays the validation error message that is provided by Dynamic Data.
Universal Windows Platform
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 3.0
Available since 8
.NET Framework
Available since 3.5
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 3.0
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