c# - The RegularExpression data annotation is not being recongnized by the Validator -
i believe code pretty self-explanatory. why isn't regularexpression attribute being used validator?
license.cs:
public class license { [required] [regularexpression("([0-9a-f]{4}\\-){4}[0-9a-f]{4}")] public string code { get; set; } } licensetest.cs
[testmethod] public void testvalidationofcodeproperty() { // these tests pass know regex not issue assert.istrue(regex.ismatch("abcd-ef01-2345-6789-ffff", "([0-9a-f]{4}\\-){4}[0-9a-f]{4}")); assert.isfalse(regex.ismatch("abcd-ef01-2345-6789-ff00", "([0-9a-f]{4}\\-){4}[0-9a-f]{4}")); assert.isfalse(regex.ismatch("3331313336323034313135302020202020212121", "([0-9a-f]{4}\\-){4}[0-9a-f]{4}")); // setup validator license lic = new license(); var ctx = new validationcontext(lic); var results = new list<validationresult>(); // passes - tryvalidateobject returns false because required field empty lic.code = ""; assert.isfalse(validator.tryvalidateobject(lic, ctx, results)); // passes - tryvalidateobject returns true lic.code = "10d0-4439-0002-9ed9-0743"; assert.istrue(validator.tryvalidateobject(lic, ctx, results)); // fails - tryvalidateobject returns true lic.code = "3331313336323034313135302020202020212121"; assert.isfalse(validator.tryvalidateobject(lic, ctx, results)); }
use validator.tryvalidateobject(lic, ctx, results, true)
msdn explains last argument: https://msdn.microsoft.com/en-us/library/dd411772(v=vs.110).aspx
true validate properties; if false, required attributes validated
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