updated regex.css. Added margin-bottom rule to p.note.
added bootstrap-3.2.0-dist/js/xregexp-min.js updated index.html. xregexp-min.js allows more functionality for regexes in JavaScript. Added not on delimiters for regexes fieldset and added script tag to include xregexp-min.js
updated regex.js. Added fixEscapedWhiteSpace() function to change \n, \r & \t into Newline, Return and Tab characters respectively (Note this is not working for some reason. So I'v comment it out). Added getRegexTypeByModifier() to determin how to process regexes.