Prevent regexp errors with the filter.

4chan_x.user.js

@@ -537,7 +537,12 @@
         for (_i = 0, _len = m.length; _i < _len; _i++) {
           filter = m[_i];
           f = filter.match(/^\/(.+)\/(\w*)$/);
-          this.regexps[key].push(RegExp(f[1], f[2]));
+          try {
+            this.regexps[key].push(RegExp(f[1], f[2]));
+          } catch (e) {
+            alert(e.message);
+            alert(e);
+          }
         }
         this.callbacks.push(this[key]);
       }

changelog

@@ -1,4 +1,6 @@
 master
+- mayhem
+  prevent regexp errors with the filter
 
 2.32.3
 - mayhem

script.coffee

@@ -401,7 +401,10 @@ filter =
       @regexps[key] = []
       for filter in m
         f = filter.match /^\/(.+)\/(\w*)$/
-        @regexps[key].push RegExp f[1], f[2]
+        try
+          @regexps[key].push RegExp f[1], f[2]
+        catch e
+          alert e.message
       #only execute what's filterable
       @callbacks.push @[key]