Opc.Ua.ContentFilter.Like C# (CSharp) Method

        private bool Like(FilterContext context, IFilterTarget target, ContentFilterElement element)
        {
            FilterOperand[] operands = GetOperands(element, 2);

            object firstOperand = GetValue(context, operands[0], target);
            string lhs;
            LocalizedText firstOperandLocalizedText = firstOperand as LocalizedText;
            if (firstOperandLocalizedText != null)
            {
                lhs = firstOperandLocalizedText.Text;
            }
            else
            {
                lhs = firstOperand as string;
            }
            
            object secondOperand = GetValue(context, operands[1], target);
            string rhs;
            LocalizedText secondOperandLocalizedText = secondOperand as LocalizedText;
            if (secondOperandLocalizedText != null)
            {
                rhs = secondOperandLocalizedText.Text;
            }
            else
            {
                rhs = secondOperand as string;
            }

            // this operator requires strings.
            if (lhs == null || rhs == null)
            {
                return false;
            }
          
            return Match((string)lhs, (string)rhs);
        }