Fixed issue #12159: On-page Regex validation shows incorrect behaviour

LimeSurvey · Mar 6, 2017 · 9ea8d19 · 9ea8d19
1 parent c858372
commit 9ea8d19
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/scripts/expressions/em_javascript.js b/scripts/expressions/em_javascript.js
@@ -384,8 +384,8 @@ function LEMregexMatch(sRegExp,within)
 {
     try {
         var flags = sRegExp.replace(/.*\/([gimy]*)$/, '$1');
-        var pattern = sRegExp.replace(new RegExp('^/(.*?)/'+flags+'$'), '$1');
-        var reg = new RegExp(pattern, flags+'u');        
+        var pattern = sRegExp.replace(new RegExp('^/(.*?)/'+flags+'$'), '$1').trim();
+        var reg = new RegExp(pattern, flags); // Note that the /u flag crashes IE11       
         return reg.test(within);
     }
     catch (err) {