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03.04.10
Using C++ To Clean Up Your CSS Files
 By
Mads Kristensen
A few weeks back i found out that the method I use to minify CSS was about 5% more efficient than the YUI Compressor. I tweeted about it and was encouraged to post the code that does the actual minification.
publicstaticstring RemoveWhiteSpaceFromStylesheets(string body)
{
body = Regex.Replace(body, @"[a-zA-Z]+#", "#");
body = Regex.Replace(body, @"[\n\r]+\s*", string.Empty);
body = Regex.Replace(body, @"\s+", " ");
body = Regex.Replace(body, @"\s?([:,;{}])\s?", "$1");
body = body.Replace(";}", "}");
body = Regex.Replace(body, @"([\s:]0)(px|pt|%|em)", "$1");
// Remove comments from CSS
body = Regex.Replace(body, @"/\*[\d\D]*?\*/", string.Empty);
return body;
}
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The method takes a string of CSS and returns a minified version of it. The method have been modified for demo purposes, so you might want to optimize the code yourself.
Comments
About the Author:
Mads Kristensen currently works as a Senior Developer at Traceworks located
in Copenhagen, Denmark. Mads graduated from Copenhagen Technical Academy with a multimedia degree in
2003, but has been a professional developer since 2000. His main focus is on ASP.NET but is responsible for Winforms, Windows- and
web services in his daily work as well. A true .NET developer with great passion for the simple solution.
http://www.madskristensen.dk/
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