you are doing something really strange here. why do you insert "regex" in your variables?
fiddle:
http://jsfiddle.net/4Fheu/
:
<script type="text/javascript">
var text = window.testimonial;
text = text.replace(/\n\r?/g, '<br />');
alert(text);
</script>
<script type="text/javascript">
window.testimonials = [
'"This was a great experience" \n - Max Cameron, ThinkTank',
'"This was a great experience" \n - Max Cameron, ThinkTank',
"source code"
];
</script>
/\n\r?/ - , : ' ', 0 1 ' '.
'/\n\r?/' - , :
/
/