code: function extractDecorator2(text) {
      try {
          var email =
              text.match(reSTCDeco);
          //  console.log("DEBUG: reSTCDeco:" + email);
          var deco = email[0].split('@')[1];
          return deco;
  
      } catch (error) {
          return "";
      }
      // return text.match(/([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)/gi);
  }
docs: extraction decorator logics
  
  @param {*} text