RegularExpressionAttribute.IsValid(Object) 方法
定义
检查用户输入的值与正则表达式模式是否匹配。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 -> bool
Public Overrides Function IsValid (value As Object) As Boolean
参数
- value
- Object
要验证的数据字段值。The data field value to validate.
返回
如果验证成功,则为 true;否则为 false。true if validation is successful; otherwise, false.
例外
数据字段值与正则表达式模式不匹配。The data field value did not match the regular expression pattern.
当前属性格式不正确。The current attribute is ill-formed.
注解
此重写执行特定于字段的正则表达式匹配 value 。This override performs the specific regular expression matching of value field.