re = /(.*?) ([0-9]|0[0-9]|1[0-9]|2[0-3]):([0-5][0-9]):?([0-5][0-9])?( AM| PM)?( [+-]\d{4})?/
str = 'June 27, 1993 5:10 PM
2013-07-26 09:50:17 -0400'
# Print the match result
str.match(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html