Minify/compress CSS with regex?

Minify/compress CSS with regex?

References

Reference NO 1

http://stackoverflow.com/questions/15195750/minify-compress-css-with-regex

Reference NO 2

http://stackoverflow.com/questions/1379277/minify-css-using-preg-replace

Reference NO 3

http://minify.googlecode.com/svn/trunk/min/lib/Minify/CSS/Compressor.php

Reference NO 4

http://www.lateralcode.com/css-minifier/

Reference NO 5

http://weblogs.asp.net/zowens/archive/2008/02/15/improve-asp-net-performance-cssmin.aspx

Reference NO 6

http://www.dscripts.net/2010/07/06/compress-css-files-using-php/

Reference NO 7

http://castlesblog.com/2010/august/14/php-javascript-css-minification

Reference NO 8

http://www.catswhocode.com/blog/3-ways-to-compress-css-files-using-php