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Return The Extension From A File Name

09.06.2006

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        // Return the extension from a file name

/(.*\.)(.*$)/.match(File.basename(file_name))[2]

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Snippets Manager replied on Fri, 2009/02/27 - 4:07pm

file_ending = filename[/(?:.*\.)(.*$)/, 1] Dont capture everything in the first brackets .. everything before the last dot . and return the first(second in ary) component of the MatchData. Play with it at rubular: http://rubular.com/regexes/6334