Add RegEx error handling in RuleEngine

RuleEngine.js

@@ -138,8 +138,12 @@ exports.RuleEngine = class RuleEngine {
     }
 
     reTest(regex, data) {
+		try {
         let match = regex.match(new RegExp('^/(.*?)/([giumy]*)$'));
         regex = new RegExp(match[1], match[2]);
+		} catch (err) {
+			logger.log("error","Regular Expression processing failed for RegEx " + regex + " is it in the right format?");
+		}
         return regex.test(data);
     }
 }