IsValid() [1/2]

override bool System.ComponentModel.DataAnnotations.PhoneAttribute.IsValid ( object? value )

inlinevirtual

Reimplemented from System.ComponentModel.DataAnnotations.DataTypeAttribute.

Definition at line 12 of file PhoneAttribute.cs.

    {
        if (value == null)
        {
            return true;
        }
        if (!(value is string text))
        {
            return false;
        }
        string potentialPhoneNumber = text.Replace("+", string.Empty).TrimEnd();
        potentialPhoneNumber = RemoveExtension(potentialPhoneNumber);
        bool flag = false;
        string text2 = potentialPhoneNumber;
        foreach (char c in text2)
        {
            if (char.IsDigit(c))
            {
                flag = true;
                break;
            }
        }
        if (!flag)
        {
            return false;
        }
        string text3 = potentialPhoneNumber;
        foreach (char c2 in text3)
        {
            if (!char.IsDigit(c2) && !char.IsWhiteSpace(c2) && "-.()".IndexOf(c2) == -1)
            {
                return false;
            }
        }
        return true;
    }

References System.ComponentModel.DataAnnotations.PhoneAttribute.RemoveExtension(), System.text, and System.value.