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refresh_pattern -i \.css$ 1440 50% 129600 reload-into-ims
refresh_pattern -i \.xml$ 1440 50% 129600 reload-into-ims
refresh_pattern -i \.html$ 1440 90% 129600 reload-into-ims-
refresh_pattern -i \.shtml$ 1440 90% 129600 reload-into-ims
refresh_pattern -i \.hml$ 1440 90% 129600 reload-into-ims
refresh_pattern -i \.jpg$ 1440 90% 129600 reload-into-ims
refresh_pattern -i \.png$ 1440 90% 129600 reload-into-ims
refresh_pattern -i \.gif$ 1440 90% 129600 ignore-reload
refresh_pattern -i \.bmp$ 1440 90% 129600 reload-into-ims
refresh_pattern -i \.js$ 1440 90% 129600 reload-into-ims

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Examples:
refresh_pattern -i \.mp3$ 1440 50% 2880 ignore-reload
refresh_pattern -i \.wmv$ 1440 50% 2880 ignore-reload
refresh_pattern -i \.rm$ 1440 50% 2880 ignore-reload
refresh_pattern -i \.swf$ 1440 50% 2880 ignore-reload
refresh_pattern -i \.mpeg$ 1440 50% 2880 ignore-reload
refresh_pattern -i \.wma$ 1440 50% 2880 ignore-reload
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