public override string TransformRange(string stringToTransform, string commandContent, Dictionary <string, string> variables)
{
var split = commandContent.Split(',').ToList();
string variableName = split[0];
string textToSearchFor = split[1];
bool contained = stringToTransform.Contains(textToSearchFor);
return(StringTemplate.CreateSetVariableBlock(variableName, contained ? "1" : "0") + stringToTransform); // reprocess with this variable set at the beginning
}