From fbfdefa3e02369282cf170341b5afd0ffc11d5b8 Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <mayhemydg@gmail.com>
Date: Tue, 13 Dec 2011 17:13:09 +0100
Subject: [PATCH] Prevent regexp errors with the filter.

---
 4chan_x.user.js | 7 ++++++-
 changelog       | 2 ++
 script.coffee   | 5 ++++-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index c6070a4f5..54fa135b6 100644
--- a/4chan_x.user.js
+++ b/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]);
       }
diff --git a/changelog b/changelog
index f46ce8b9c..68fe864f7 100644
--- a/changelog
+++ b/changelog
@@ -1,4 +1,6 @@
 master
+- mayhem
+  prevent regexp errors with the filter
 
 2.32.3
 - mayhem
diff --git a/script.coffee b/script.coffee
index ae31643ae..2c202ca55 100644
--- a/script.coffee
+++ b/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]