Javascript function tidy up
<p>Below you'll see a javascript/jQuery function I'm currently using:</p>

<pre><code>            var forward = new RegExp('forward'),
                backward = new RegExp('backward'),              
                left = new RegExp('left'),      
                right = new RegExp('right');                

            if ( tweet.message.match(forward) ) {
                console.log('forward');
                body.addClass('forward');
                bodyRemoveClass();                          
            }

            if ( tweet.message.match(backward) ) {
                console.log('backward');
                body.addClass('backward');
                bodyRemoveClass();                          
            }

            if ( tweet.message.match(left) ) {
                console.log('left');
                body.addClass('left');
                bodyRemoveClass();                          
            }

            if ( tweet.message.match(right) ) {
                console.log('right');
                body.addClass('right');
                bodyRemoveClass();                          
            }                   
</code></pre>

<p>Everything works just fine, but I'm not 100% happy with the way it's written.
Basically what that does is, check if a given keyword <em>(forward, backward, left or right)</em><br>
are in a tweet <em>(tweet.message)</em></p>

<p>I would like to know if there is a simple/cleaner way to achieve this.</p>

<p>Sorry but there is no online example...</p>

<p>Thank you </p>
