RegexStringValidatorAttribute(String) Constructor
Definition
Important
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Initializes a new instance of the RegexStringValidatorAttribute object.
public:
RegexStringValidatorAttribute(System::String ^ regex);
public RegexStringValidatorAttribute (string regex);
new System.Configuration.RegexStringValidatorAttribute : string -> System.Configuration.RegexStringValidatorAttribute
Public Sub New (regex As String)
Parameters
- regex
- String
The string to use for regular expression validation.
Examples
The following example shows how to use the RegexStringValidatorAttribute constructor.
[ConfigurationProperty("alias2", DefaultValue = "alias.txt",
IsRequired = true, IsKey = false)]
[RegexStringValidator(@"\w+\S*")]
public string Alias2
{
get
{
return (string)this["alias2"];
}
set
{
this["alias2"] = value;
}
}
<ConfigurationProperty("alias2", _
DefaultValue:="alias.txt", _
IsRequired:=True, _
IsKey:=False), _
RegexStringValidator("\w+\S*")> _
Public Property Alias2() As String
Get
Return CStr(Me("alias2"))
End Get
Set(ByVal value As String)
Me("alias2") = value
End Set
End Property
Remarks
The regex
parameter contains the regular expression pattern that a string must match before it can be assigned to the decorated configuration-element property.
You use this constructor in the attributed model to ensure that the string value assigned to the related property contains only the allowed characters.
Applies to
See also
Athugasemdir
https://aka.ms/ContentUserFeedback.
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