[gnome-maps] place: Guard against invalid regex

[Jonas Danielsson <jonasdn src gnome org>]

commit 15c5227ab53a636ddba8cb95f965ab41bb2fa02d
Author: Jonas Danielsson <jonas threetimestwo org>
Date:   Mon Aug 29 18:50:30 2016 +0200

    place: Guard against invalid regex
    
    Avoid errors in console when string is not valid regex.
      SyntaxError: invalid quantifier @ place.js:264

 src/place.js |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/src/place.js b/src/place.js
index 0d85b96..aa60f55 100644
--- a/src/place.js
+++ b/src/place.js
@@ -260,7 +260,13 @@ const Place = new Lang.Class({
         if (name === null)
             return false;
 
-        return name.toLowerCase().search(searchString.toLowerCase()) !== -1;
+        /* the search method takes a regex, make sure we have a valid one */
+        try {
+            return name.toLowerCase().search(searchString.toLowerCase()) !== -1;
+        } catch(e) {
+            /* not valid regex */
+            return false;
+        }
     }
 });