print usage string on wrong syntax for regex

modules/command.js

@@ -71,7 +71,11 @@ var command = function(dbot) {
                         dbot.save();
                     } else {
                         if(commandName !== '~') {
-                            event.reply(dbot.t('syntax_error'));
+                            if(dbot.commands[commandName].hasOwnProperty('usage')){
+                                event.reply('Usage: ' + dbot.commands[commandName].usage);
+                            } else {
+                                event.reply(dbot.t('syntax_error'));
+                            }
                         }
                     }
                 }

modules/js.js

@@ -32,6 +32,8 @@ var js = function(dbot) {
     };
     commands['~js'].regex = [/^~js (.*)/, 2];
     commands['~ajs'].regex = [/^~ajs (.*)/, 2];
+    commands['~js'].usage = '~js [command]';
+    commands['~ajs'].usage = '~ajs [command]';
 
     return {
         'name': 'js',

modules/poll.js

@@ -207,13 +207,19 @@ var poll = function(dbot) {
             }
         }
     };
-    commands['~newpoll'].regex = [/~newpoll (av )?([^ ]+) \[options=([^ ]+)\] (.+)/, 5];
+    commands['~newpoll'].regex = [/~newpoll (av )?([^ ]+) options=([^ ]+) (.+)/, 5];
     commands['~addoption'].regex = [/~addoption ([^ ]+) ([^ ]+)/, 3];
     commands['~rmoption'].regex = [/~rmoption ([^ ]+) ([^ ]+)/, 3];
     commands['~vote'].regex = [/~vote ([^ ]+) ([^ ]+)/, 3];
     commands['~pdesc'].regex = [/~pdesc ([^ ]+)/, 2];
     commands['~count'].regex = [/~count ([^ ]+)/, 2];
 
+    commands['~newpoll'].usage = '~newpoll [pollname] options=[each,poll,option] [Poll Description]';
+    commands['~addoption'].usage = '~addoption [pollname] [newoption]';
+    commands['~rmoption'].usage= '~rmoption [pollname] [optiontoremove]';
+    commands['~vote'].usage= '~vote [pollname] [option]';
+    commands['~pdesc'].usage = '~pdesc [pollname]';
+
     return {
         'name': 'poll',
         'ignorable': true,

modules/quotes.js

@@ -218,6 +218,11 @@ var quotes = function(dbot) {
     commands['~rmlast'].regex = [/^~rmlast ([\d\w\s-]*)/, 2];
     commands['~qadd'].regex = [/^~qadd ([\d\w\s-]+?)[ ]?=[ ]?(.+)$/, 3];
 
+    commands['~q'].usage = '~q [category]';
+    commands['~qsearch'].usage = '~qsearch [category]=[search]';
+    commands['~rmlast'].usage = '~rmlast [category]'
+    commands['~qadd'].usage = '~qadd [category]=[content]';
+
     return {
         'name': 'quotes',
         'ignorable': true,

modules/report.js

@@ -38,6 +38,7 @@ var report = function(dbot) {
 
     };
     commands['~report'].regex = [/^~report ([^ ]+) ([^ ]+) (.+)$/, 4];
+    commands['report'].usage = '~report [#channel] [username] [reason for reporting]';
 
     return {
         'name': 'report',