From 57c94a394c41502446bba5bcf960391ba3d7bc7a Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <mayhemydg@gmail.com>
Date: Sun, 9 Oct 2011 03:17:01 +0200
Subject: [PATCH 1/2] Infinitely faster filter creation, and safer.

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

diff --git a/4chan_x.user.js b/4chan_x.user.js
index 2238bd7e9..44e06430b 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -528,15 +528,16 @@
     regexps: {},
     callbacks: [],
     init: function() {
-      var filter, key, m, _i, _len;
+      var f, filter, key, m, _i, _len;
       for (key in config.filter) {
-        if (!(m = conf[key].match(/^(\/.+\/\w{0,})$/gm))) {
+        if (!(m = conf[key].match(/^\/.+\/\w{0,}$/gm))) {
           continue;
         }
         this.regexps[key] = [];
         for (_i = 0, _len = m.length; _i < _len; _i++) {
           filter = m[_i];
-          this.regexps[key].push(Function("return " + filter)());
+          f = filter.match(/^\/(.+)\/(\w{0,})$/);
+          this.regexps[key].push(RegExp(f[1], f[2]));
         }
         if (this.regexps[key].length) {
           this.callbacks.push(this[key]);
diff --git a/script.coffee b/script.coffee
index 6ec3bde6e..7f13f3d2b 100644
--- a/script.coffee
+++ b/script.coffee
@@ -386,11 +386,12 @@ filter =
   callbacks: []
   init: ->
     for key of config.filter
-      unless m = conf[key].match /^(\/.+\/\w{0,})$/gm
+      unless m = conf[key].match /^\/.+\/\w{0,}$/gm
         continue
       @regexps[key] = []
       for filter in m
-        @regexps[key].push Function("return #{filter}")()
+        f = filter.match /^\/(.+)\/(\w{0,})$/
+        @regexps[key].push RegExp f[1], f[2]
       #only execute what's filterable
       @callbacks.push @[key] if @regexps[key].length
 

From e64ea74bbec093d589759651b1974c0a277fc738 Mon Sep 17 00:00:00 2001
From: Nicolas Stepien <mayhemydg@gmail.com>
Date: Sun, 9 Oct 2011 03:25:55 +0200
Subject: [PATCH 2/2] Use * instead of {0,}

---
 4chan_x.user.js | 4 ++--
 script.coffee   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/4chan_x.user.js b/4chan_x.user.js
index 44e06430b..1ec6c3b94 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -530,13 +530,13 @@
     init: function() {
       var f, filter, key, m, _i, _len;
       for (key in config.filter) {
-        if (!(m = conf[key].match(/^\/.+\/\w{0,}$/gm))) {
+        if (!(m = conf[key].match(/^\/.+\/\w*$/gm))) {
           continue;
         }
         this.regexps[key] = [];
         for (_i = 0, _len = m.length; _i < _len; _i++) {
           filter = m[_i];
-          f = filter.match(/^\/(.+)\/(\w{0,})$/);
+          f = filter.match(/^\/(.+)\/(\w*)$/);
           this.regexps[key].push(RegExp(f[1], f[2]));
         }
         if (this.regexps[key].length) {
diff --git a/script.coffee b/script.coffee
index 7f13f3d2b..34b66d199 100644
--- a/script.coffee
+++ b/script.coffee
@@ -386,11 +386,11 @@ filter =
   callbacks: []
   init: ->
     for key of config.filter
-      unless m = conf[key].match /^\/.+\/\w{0,}$/gm
+      unless m = conf[key].match /^\/.+\/\w*$/gm
         continue
       @regexps[key] = []
       for filter in m
-        f = filter.match /^\/(.+)\/(\w{0,})$/
+        f = filter.match /^\/(.+)\/(\w*)$/
         @regexps[key].push RegExp f[1], f[2]
       #only execute what's filterable
       @callbacks.push @[key] if @regexps[key].length