by Mads Kristensen via .NET Slave on 2/28/2010 8:00:00 PM
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.
public static string 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;
}
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.
Original Post: Efficient stylesheet minification in C#
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