Custom attribute that, when added to a field, property or parameter, throws an ArgumentException if the target is assigned a value that does not match a given regular expression. Null strings are accepted and do not throw an exception.
Inheritance
Namespace: PostSharp.Patterns.Contracts
Assembly: PostSharp.Patterns.Common.dll
Syntax
public class RegularExpressionAttribute : LocationContractAttribute, ILocationLevelAspect, IAspectRemarks
The error message is identified by RegularExpressionErrorMessage.
The error message can use the additional argument {4} to refer to the regular expression used.
Constructors
| Name | Description |
|---|---|
| RegularExpressionAttribute(string) | Initializes a new instance of the RegularExpressionAttribute class. |
| RegularExpressionAttribute(string, RegexOptions) | Initializes a new instance of the RegularExpressionAttribute class and specifies options. |
Methods
| Name | Description |
|---|---|
| GetErrorMessage() | Gets the unformatted error message as defined by the instance. |
| GetErrorMessageArguments() | Gets the values of the additional arguments for the error message associated with a particular instance of LocationContractAttribute.
These arguments can be referenced from the error message string by |
| ValidateValueDynamic(object, string, LocationKind, LocationValidationContext) | Validates a weakly-typed (boxed) value, typically the value of a dependency property or an attached property. |