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phlegx/gist:4240913

Created December 8, 2012 16:36
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gistfile1.txt
1.9.2p290 :011 > url = "http://mentalized.net/journal/2011/04/14/ruby_how_to_check_if_a_string_is_numeric/"
=> "http://mentalized.net/journal/2011/04/14/ruby_how_to_check_if_a_string_is_numeric/"
1.9.2p290 :012 > url[0..-1]
=> "http://mentalized.net/journal/2011/04/14/ruby_how_to_check_if_a_string_is_numeric/"
1.9.2p290 :013 > url[0..-2]
=> "http://mentalized.net/journal/2011/04/14/ruby_how_to_check_if_a_string_is_numeric"
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