RegularExpressionAttribute.IsValid(Object) Method
Definition
Important
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Checks whether the value entered by the user matches the regular expression pattern.
public:
override bool IsValid(System::Object ^ value);public override bool IsValid (object value);public override bool IsValid (object? value);override this.IsValid : obj -> boolPublic Overrides Function IsValid (value As Object) As BooleanParameters
- value
- Object
The data field value to validate.
Returns
true if validation is successful; otherwise, false.
Exceptions
The data field value did not match the regular expression pattern.
The current attribute is ill-formed.
Pattern is not a valid regular expression.
Remarks
This override performs the specific regular expression matching of value field.
Applies to
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